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          2022-07-25 23:30:33,968||140286730448200|INFO|prometheus_metrics|conductor.common.prometheus_metrics: [-] Prometheus metrics endpoint started at 8001
E0726 00:21:17.365111240   14414 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
2022-07-26 00:21:17,367||140286656244512|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794877.365232031","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794877.365229162","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794877.365091108","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 303, in run
    solving_plans = self.Plan.query.get_plan_by_col("status", self.Plan.SOLVING)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 136, in row_read
    return self.get_values_prefix(key_prefix, pk_name, pk_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 82, in get_values_prefix
    for kv in self.get_client().get_prefix(key_prefix)}
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:17,383||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 120 exited with status 2
E0726 00:21:20.424929948   14420 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-2:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794880.425019200","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794880.425016646","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794880.424910435","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:20,439||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14416 exited with status 1
E0726 00:21:23.455999913   14436 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-3:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794883.456094515","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794883.456091875","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794883.455974225","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:23,469||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14432 exited with status 1
E0726 00:21:26.485130867   14442 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-4:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794886.485211111","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794886.485208503","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794886.485110840","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:26,494||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14438 exited with status 1
E0726 00:21:39.507499912   14448 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-5:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794899.507648482","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794899.507645302","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794899.507479846","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:39,518||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14444 exited with status 1
E0726 00:21:42.536543475   14475 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-6:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794902.536642270","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794902.536638234","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794902.536522449","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:42,548||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14460 exited with status 1
E0726 00:21:45.562734016   14480 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-7:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794905.562812368","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794905.562809636","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794905.562713522","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:45,581||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14476 exited with status 1
E0726 00:21:48.596853987   14486 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-8:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794908.596957765","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794908.596955005","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794908.596833242","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:48,609||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14482 exited with status 1
E0726 00:21:51.624219025   14492 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-9:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794911.624311118","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794911.624308265","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794911.624200438","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:51,633||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14488 exited with status 1
E0726 00:21:54.647564150   14508 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-10:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794914.647755658","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794914.647752488","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794914.647544226","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:21:54,661||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14504 exited with status 1
E0726 00:22:07.676514899   14514 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-11:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794927.676594585","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794927.676591824","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794927.676492794","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:07,690||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14510 exited with status 1
E0726 00:22:13.029334491   14547 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
2022-07-26 00:22:13,030||140286656244512|ERROR|_utils|cotyledon._utils: [-] Unhandled exception
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794933.029561946","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794933.029559339","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794933.029313527","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 95, in exit_on_exception
    yield
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 139, in _run
    self.run()
  File "/opt/has/conductor/conductor/solver/service.py", line 302, in run
    translated_plans = self.Plan.query.get_plan_by_col("status", self.Plan.TRANSLATED)
  File "/opt/has/conductor/conductor/common/music/model/search.py", line 87, in get_plan_by_col
    rows = db_backend.DB_API.row_read(
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 130, in row_read
    schema = self.get_value(f'{keyspace}/{table}')
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 75, in get_value
    raw_value = self.get_raw_value(key)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 72, in get_raw_value
    return self.get_client().get(key)[0]
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:13,038||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14526 exited with status 2
E0726 00:22:16.054550853   14553 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-13:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794936.054642678","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794936.054639689","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794936.054529466","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:16,068||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14549 exited with status 1
E0726 00:22:19.082168829   14559 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-14:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794939.082264747","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794939.082261657","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794939.082148805","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:19,091||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14555 exited with status 1
E0726 00:22:22.107590688   14565 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-15:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794942.108020982","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794942.108018044","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794942.107559102","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:22,117||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14561 exited with status 1
E0726 00:22:25.131226532   14581 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-16:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794945.131320534","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794945.131317129","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794945.131206791","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:25,142||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14577 exited with status 1
E0726 00:22:38.158005758   14587 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-17:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794958.158107578","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794958.158104813","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794958.157972563","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:38,168||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14583 exited with status 1
E0726 00:22:41.182842705   14603 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-18:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794961.182925023","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794961.182922569","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794961.182822636","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:41,191||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14599 exited with status 1
E0726 00:22:44.206638665   14619 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-19:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794964.207199428","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794964.207195955","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794964.206618893","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:44,220||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14615 exited with status 1
E0726 00:22:47.240383266   14625 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-20:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794967.240487262","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794967.240483316","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794967.240335401","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:22:47,249||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14621 exited with status 1
E0726 00:23:00.264120075   14631 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-21:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794980.264304133","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794980.264301435","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794980.264099803","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:00,273||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14627 exited with status 1
E0726 00:23:03.287014608   14657 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-22:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794983.287107965","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794983.287105008","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794983.286995433","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:03,297||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14653 exited with status 1
E0726 00:23:06.312947718   14663 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-23:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794986.313052319","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794986.313049794","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794986.312928025","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:06,322||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14659 exited with status 1
E0726 00:23:19.337215210   14669 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-24:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658794999.337296662","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658794999.337293950","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658794999.337194578","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:19,348||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14665 exited with status 1
E0726 00:23:22.363490629   14685 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-25:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795002.363570524","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795002.363567540","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795002.363470774","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:22,372||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14681 exited with status 1
E0726 00:23:25.388183766   14702 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-26:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795005.388284684","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795005.388279754","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795005.388163581","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:25,403||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14697 exited with status 1
E0726 00:23:28.418092824   14707 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-27:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795008.418177814","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795008.418174979","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795008.418071584","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:28,427||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14703 exited with status 1
E0726 00:23:31.441773947   14713 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-28:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795011.441884074","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795011.441881049","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795011.441748942","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:31,453||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14709 exited with status 1
E0726 00:23:34.469139816   14729 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-29:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795014.469221311","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795014.469218622","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795014.469119413","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:34,478||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14725 exited with status 1
E0726 00:23:47.493269844   14736 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-30:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795027.493372465","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795027.493369453","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795027.493250593","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:47,507||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14731 exited with status 1
E0726 00:23:50.526331435   14751 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-31:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795030.526480792","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795030.526477040","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795030.526311495","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:50,539||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14747 exited with status 1
E0726 00:23:53.555269543   14767 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-32:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795033.555349707","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795033.555346960","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795033.555248720","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:53,564||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14763 exited with status 1
E0726 00:23:56.579933032   14773 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-33:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795036.580040663","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795036.580038267","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795036.579913207","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:56,589||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14769 exited with status 1
E0726 00:23:59.603846450   14779 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-34:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795039.603928273","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795039.603925270","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795039.603826559","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:23:59,612||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14775 exited with status 1
E0726 00:24:02.628016238   14785 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-35:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795042.628114404","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795042.628111960","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795042.627996973","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:02,638||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14781 exited with status 1
E0726 00:24:15.654525506   14802 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-36:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795055.654713709","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795055.654710366","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795055.654506322","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:15,667||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14797 exited with status 1
E0726 00:24:18.681951708   14817 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-37:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795058.682040027","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795058.682037368","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795058.681932490","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:18,691||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14813 exited with status 1
E0726 00:24:31.704988552   14823 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-38:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795071.705081799","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795071.705079109","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795071.704967864","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:31,713||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14819 exited with status 1
E0726 00:24:34.729400473   14850 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-39:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795074.729485482","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795074.729482673","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795074.729380493","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:34,741||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14845 exited with status 1
E0726 00:24:37.755115090   14855 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-40:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795077.755212223","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795077.755209513","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795077.755094523","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:37,771||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14851 exited with status 1
E0726 00:24:40.786555878   14862 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-41:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795080.786649688","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795080.786646760","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795080.786534830","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:40,797||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14857 exited with status 1
E0726 00:24:43.812517060   14877 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-42:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795083.812607660","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795083.812604940","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795083.812494990","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:43,823||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14873 exited with status 1
E0726 00:24:46.837279069   14883 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-43:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795086.837362787","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795086.837360126","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795086.837258437","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:46,850||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14879 exited with status 1
E0726 00:24:59.866223215   14889 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-44:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795099.866310393","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795099.866307895","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795099.866204523","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:24:59,875||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14885 exited with status 1
E0726 00:25:02.889000418   14915 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-45:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795102.889089695","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795102.889087078","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795102.888980211","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:02,898||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14911 exited with status 1
E0726 00:25:05.914920410   14921 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-46:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795105.915001343","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795105.914998600","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795105.914899727","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:05,924||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14917 exited with status 1
E0726 00:25:08.939767941   14927 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-47:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795108.939869936","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795108.939866244","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795108.939742307","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:08,949||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14923 exited with status 1
E0726 00:25:11.963839822   14933 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-48:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795111.963946871","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795111.963943769","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795111.963819842","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:11,976||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14929 exited with status 1
E0726 00:25:14.993077487   14949 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-49:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795114.993157797","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795114.993155047","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795114.993056885","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:15,006||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14945 exited with status 1
E0726 00:25:28.020206892   14956 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-50:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795128.020304259","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795128.020301586","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795128.020186406","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:28,031||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14951 exited with status 1
E0726 00:25:31.046574188   14972 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-51:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795131.046888805","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795131.046885567","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795131.046537585","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:31,063||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14968 exited with status 1
E0726 00:25:34.085807669   14988 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-52:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795134.086017669","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795134.086006432","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795134.085779535","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:34,096||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14984 exited with status 1
E0726 00:25:37.110982726   14994 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-53:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795137.111070878","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795137.111068284","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795137.110950828","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:37,121||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14990 exited with status 1
E0726 00:25:40.137370367   15000 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-54:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795140.137479793","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795140.137476168","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795140.137346452","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:40,147||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 14996 exited with status 1
E0726 00:25:43.162694364   15016 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-55:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795143.162808962","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795143.162806354","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795143.162659187","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:43,174||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15012 exited with status 1
E0726 00:25:56.189673589   15023 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-56:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795156.189771222","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795156.189768279","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795156.189653821","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:56,199||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15018 exited with status 1
E0726 00:25:59.221520193   15038 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-57:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795159.221602718","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795159.221599908","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795159.221498998","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:25:59,232||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15034 exited with status 1
E0726 00:26:12.246216964   15056 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-58:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795172.246333711","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795172.246312128","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795172.246195864","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:12,257||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15040 exited with status 1
E0726 00:26:15.275479622   15071 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-59:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795175.275559859","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795175.275556911","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795175.275459646","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:15,288||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15067 exited with status 1
E0726 00:26:18.305034529   15077 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-60:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795178.305120034","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795178.305117269","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795178.305014924","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:18,316||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15073 exited with status 1
E0726 00:26:21.333220919   15083 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-61:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795181.333413044","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795181.333410058","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795181.333194515","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:21,344||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15079 exited with status 1
E0726 00:26:24.360323564   15099 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-62:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795184.360411066","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795184.360408551","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795184.360303946","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:24,369||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15095 exited with status 1
E0726 00:26:27.384643006   15105 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-63:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795187.384725380","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795187.384722411","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795187.384622643","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:27,395||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15101 exited with status 1
E0726 00:26:40.411920593   15112 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-64:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795200.412142788","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795200.412139992","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795200.411900295","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:40,424||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15107 exited with status 1
E0726 00:26:43.440754473   15138 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-65:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795203.440834581","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795203.440831856","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795203.440733773","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:43,452||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15134 exited with status 1
E0726 00:26:46.466447057   15145 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-66:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795206.466746585","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795206.466742379","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795206.466396182","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:46,477||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15140 exited with status 1
E0726 00:26:49.492745176   15150 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-67:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795209.493300761","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795209.493297508","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795209.492725002","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:26:49,503||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15146 exited with status 1
E0726 00:27:02.518753297   15167 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-68:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795222.518839507","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795222.518837127","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795222.518734631","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:02,528||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15152 exited with status 1
E0726 00:27:05.544195026   15182 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-69:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795225.544283708","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795225.544281148","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795225.544175224","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:05,559||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15178 exited with status 1
E0726 00:27:08.574498804   15188 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-70:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795228.574582520","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795228.574579580","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795228.574478030","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:08,583||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15184 exited with status 1
E0726 00:27:16.250605095   15208 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-71:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795236.250807464","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795236.250804824","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795236.250583793","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 272, in setup_rpc
    target = music_messaging.Target(topic=topic)
  File "/opt/has/conductor/conductor/common/music/messaging/component.py", line 102, in __init__
    self._topic_class = base.create_dynamic_model(
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 186, in create_dynamic_model
    model.table_create()
  File "/opt/has/conductor/conductor/common/music/model/base.py", line 70, in table_create
    db_backend.DB_API.table_create(**kwargs)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 102, in table_create
    self.get_client().put_if_not_exists(table_key, table_value)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:16,262||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15190 exited with status 1
E0726 00:27:19.281884817   15214 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-72:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795239.281964170","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795239.281961370","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795239.281863819","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:19,299||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15210 exited with status 1
E0726 00:27:32.313122399   15220 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-73:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795252.313433524","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795252.313429657","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795252.313103060","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:32,326||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15216 exited with status 1
E0726 00:27:35.341790647   15246 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-74:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795255.341880972","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795255.341878320","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795255.341770230","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:35,350||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15242 exited with status 1
E0726 00:27:38.370488373   15252 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-75:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795258.370591482","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795258.370588137","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795258.370463373","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:38,379||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15248 exited with status 1
E0726 00:27:41.393410596   15258 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-76:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795261.393492433","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795261.393489623","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795261.393389933","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:41,403||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15254 exited with status 1
E0726 00:27:44.418490153   15274 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-77:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795264.418579255","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795264.418576300","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795264.418468473","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:44,427||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15270 exited with status 1
E0726 00:27:47.442631350   15280 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-78:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795267.442733347","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795267.442730138","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795267.442607456","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:47,453||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15276 exited with status 1
E0726 00:27:59.469955119   15286 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-79:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795279.470064457","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795279.470060084","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795279.469935663","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:27:59,482||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15282 exited with status 1
E0726 00:28:02.496819987   15302 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-80:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795282.496920517","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795282.496917373","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795282.496797001","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:02,506||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15298 exited with status 1
E0726 00:28:15.519881638   15319 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-81:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795295.519989409","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795295.519986499","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795295.519856211","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:15,529||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15314 exited with status 1
E0726 00:28:18.547666097   15334 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-82:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795298.547753213","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795298.547750379","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795298.547646347","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:18,567||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15330 exited with status 1
E0726 00:28:21.582513588   15341 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-83:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795301.582644100","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795301.582640583","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795301.582389395","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:21,603||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15336 exited with status 1
E0726 00:28:24.624217216   15358 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
2022-07-26 00:28:24,636||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15354 exited with status 1
Process Process-84:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795304.624293896","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795304.624291046","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795304.624196682","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
E0726 00:28:36.653925071   15364 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-85:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795316.654040361","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795316.654037825","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795316.653905498","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:36,665||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15360 exited with status 1
E0726 00:28:39.690024653   15380 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-86:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795319.690120182","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795319.690117407","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795319.689996937","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:39,700||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15376 exited with status 1
E0726 00:28:51.723907421   15386 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-87:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795331.724054399","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795331.724051415","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795331.723875158","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:28:51,738||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15382 exited with status 1
E0726 00:29:13.758647583   15412 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-88:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795353.759009202","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795353.758986460","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795353.758579378","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:29:13,775||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15408 exited with status 1
E0726 00:29:40.803064801   15439 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-89:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795380.803413868","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795380.803410728","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795380.803044653","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:29:40,819||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15435 exited with status 1
E0726 00:29:43.838215471   15475 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-90:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795383.838293621","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795383.838290787","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795383.838194753","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:29:43,855||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15471 exited with status 1
E0726 00:29:44.875656694   15481 ev_epollex_linux.cc:515]    Error shutting down fd 22. errno: 9
Process Process-91:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795384.875762814","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795384.875760271","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795384.875730931","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: DNS query cancelled","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:29:44,889||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15477 exited with status 1
E0726 00:29:47.910578102   15487 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-92:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795387.911064982","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795387.911062015","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795387.910548887","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:29:47,919||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15483 exited with status 1
E0726 00:30:20.934742190   15494 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-93:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795420.934992949","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795420.934990029","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795420.934722062","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:20,946||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15489 exited with status 1
E0726 00:30:33.962191816   15542 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-94:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795433.962280203","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795433.962277404","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795433.962170823","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:33,971||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15538 exited with status 1
E0726 00:30:36.985001961   15559 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-95:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795436.985084204","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795436.985081554","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795436.984981842","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:36,994||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15555 exited with status 1
E0726 00:30:40.013109042   15565 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-96:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795440.013199899","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795440.013197269","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795440.013088814","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:40,022||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15561 exited with status 1
E0726 00:30:43.035754530   15581 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-97:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795443.035830390","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795443.035827725","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795443.035734527","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:43,050||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15577 exited with status 1
E0726 00:30:56.066133151   15587 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-98:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795456.066270215","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795456.066266474","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795456.066107513","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:56,080||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15583 exited with status 1
E0726 00:30:59.101314619   15603 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-99:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795459.101421971","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795459.101418686","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795459.101289021","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Could not contact DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:30:59,111||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15599 exited with status 1
E0726 00:31:07.126209123   15609 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-100:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795467.126309849","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795467.126306872","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795467.126178410","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:31:07,135||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15605 exited with status 1
E0726 00:31:40.150112889   15625 ev_epollex_linux.cc:515]    Error shutting down fd 21. errno: 9
Process Process-101:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795500.150272505","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795500.150269797","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795500.150087080","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:31:40,161||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15621 exited with status 1
Process Process-102:
Traceback (most recent call last):
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 60, in get_client
    return etcd3.client(host=self.host, port=self.port,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 1178, in client
    return Etcd3Client(host=host,
  File "/usr/local/lib/python3.9/site-packages/etcd3/client.py", line 148, in __init__
    resp = self.auth_stub.Authenticate(auth_request, self.timeout)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 946, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File "/usr/local/lib/python3.9/site-packages/grpc/_channel.py", line 849, in _end_unary_response_blocking
    raise _InactiveRpcError(state)
grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.UNAVAILABLE
	details = "DNS resolution failed for service: oof-has-etcd.onap:2379"
	debug_error_string = "{"created":"@1658795542.176770263","description":"Resolver transient failure","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":1324,"referenced_errors":[{"created":"@1658795542.176766821","description":"DNS resolution failed for service: oof-has-etcd.onap:2379","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":359,"grpc_status":14,"referenced_errors":[{"created":"@1658795542.176659873","description":"C-ares status is not ARES_SUCCESS qtype=A name=oof-has-etcd.onap is_balancer=0: Timeout while contacting DNS servers","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":698}]}]}"
>

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 315, in _bootstrap
    self.run()
  File "/usr/local/lib/python3.9/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_utils.py", line 63, in _bootstrap_process
    target(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 161, in create_and_wait
    sw = cls(*args, **kwargs)
  File "/usr/local/lib/python3.9/site-packages/cotyledon/_service.py", line 175, in __init__
    self.service = config.service(worker_id, *args, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 203, in __init__
    self._init(conf, **kwargs)
  File "/opt/has/conductor/conductor/solver/service.py", line 219, in _init
    self.data_service = self.setup_rpc(conf, "data")
  File "/opt/has/conductor/conductor/solver/service.py", line 271, in setup_rpc
    transport = messaging.get_transport(conf=conf)
  File "/opt/has/conductor/conductor/messaging.py", line 56, in get_transport
    transport.keyspace_create(keyspace=keyspace)
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 94, in keyspace_create
    self.get_client().put_if_not_exists(keyspace, "This key is a placeholder for the keyspace".encode())
  File "/opt/has/conductor/conductor/common/etcd/api.py", line 69, in get_client
    raise EtcdClientException("Failed to establish connection with ETCD. GRPC {}".format(rpc_error.code()))
conductor.common.etcd.utils.EtcdClientException: Failed to establish connection with ETCD. GRPC StatusCode.UNAVAILABLE
2022-07-26 00:32:22,199||140286658366240|INFO|_service_manager|cotyledon._service_manager: [-] Child 15667 exited with status 1