By type
2022-10-21T16:28:47.336643Z info FLAG: --concurrency="2"
2022-10-21T16:28:47.336812Z info FLAG: --domain="onap.svc.cluster.local"
2022-10-21T16:28:47.336835Z info FLAG: --help="false"
2022-10-21T16:28:47.336853Z info FLAG: --log_as_json="false"
2022-10-21T16:28:47.336866Z info FLAG: --log_caller=""
2022-10-21T16:28:47.336885Z info FLAG: --log_output_level="default:info"
2022-10-21T16:28:47.336899Z info FLAG: --log_rotate=""
2022-10-21T16:28:47.336917Z info FLAG: --log_rotate_max_age="30"
2022-10-21T16:28:47.336929Z info FLAG: --log_rotate_max_backups="1000"
2022-10-21T16:28:47.336946Z info FLAG: --log_rotate_max_size="104857600"
2022-10-21T16:28:47.336963Z info FLAG: --log_stacktrace_level="default:none"
2022-10-21T16:28:47.337003Z info FLAG: --log_target="[stdout]"
2022-10-21T16:28:47.337196Z info FLAG: --meshConfig="./etc/istio/config/mesh"
2022-10-21T16:28:47.337213Z info FLAG: --outlierLogPath=""
2022-10-21T16:28:47.337229Z info FLAG: --proxyComponentLogLevel="misc:error"
2022-10-21T16:28:47.337265Z info FLAG: --proxyLogLevel="warning"
2022-10-21T16:28:47.337292Z info FLAG: --serviceCluster="istio-proxy"
2022-10-21T16:28:47.337311Z info FLAG: --stsPort="0"
2022-10-21T16:28:47.337344Z info FLAG: --templateFile=""
2022-10-21T16:28:47.337370Z info FLAG: --tokenManagerPlugin="GoogleTokenExchange"
2022-10-21T16:28:47.337400Z info FLAG: --vklog="0"
2022-10-21T16:28:47.337424Z info Version 1.14.1-f59ce19ec6b63bbb70a65c43ac423845f1129464-Clean
2022-10-21T16:28:47.337931Z info Proxy role ips=[10.233.65.171] type=sidecar id=onap-dcae-prh-6bfd8d689-4s2sg.onap domain=onap.svc.cluster.local
2022-10-21T16:28:47.338185Z info Apply proxy config from env {}
2022-10-21T16:28:47.342554Z info Effective config: binaryPath: /usr/local/bin/envoy
concurrency: 2
configPath: ./etc/istio/proxy
controlPlaneAuthPolicy: MUTUAL_TLS
discoveryAddress: istiod.istio-system.svc:15012
drainDuration: 45s
parentShutdownDuration: 60s
proxyAdminPort: 15000
serviceCluster: istio-proxy
statNameLength: 189
statusPort: 15020
terminationDrainDuration: 5s
tracing:
zipkin:
address: zipkin.istio-system:9411
2022-10-21T16:28:47.342695Z info JWT policy is third-party-jwt
2022-10-21T16:28:47.342710Z info using credential fetcher of JWT type in cluster.local trust domain
2022-10-21T16:28:47.443856Z info SDS socket not found. Starting Istio SDS Server
2022-10-21T16:28:47.443914Z info CA Endpoint istiod.istio-system.svc:15012, provider Citadel
2022-10-21T16:28:47.443945Z info Using CA istiod.istio-system.svc:15012 cert with certs: var/run/secrets/istio/root-cert.pem
2022-10-21T16:28:47.444108Z info citadelclient Citadel client using custom root cert: var/run/secrets/istio/root-cert.pem
2022-10-21T16:28:47.444666Z info Opening status port 15020
2022-10-21T16:28:47.467375Z info ads All caches have been synced up in 135.149033ms, marking server ready
2022-10-21T16:28:47.467857Z info sds SDS server for workload certificates started, listening on "./var/run/secrets/workload-spiffe-uds/socket"
2022-10-21T16:28:47.467899Z info xdsproxy Initializing with upstream address "istiod.istio-system.svc:15012" and cluster "Kubernetes"
2022-10-21T16:28:47.467929Z info sds Starting SDS grpc server
2022-10-21T16:28:47.468374Z info starting Http service at 127.0.0.1:15004
2022-10-21T16:28:47.470228Z info Pilot SAN: [istiod.istio-system.svc]
2022-10-21T16:28:47.471880Z info Starting proxy agent
2022-10-21T16:28:47.471921Z info Epoch 0 starting
2022-10-21T16:28:47.471953Z info Envoy command: [-c etc/istio/proxy/envoy-rev0.json --restart-epoch 0 --drain-time-s 45 --drain-strategy immediate --parent-shutdown-time-s 60 --local-address-ip-version v4 --file-flush-interval-msec 1000 --disable-hot-restart --log-format %Y-%m-%dT%T.%fZ %l envoy %n %v -l warning --component-log-level misc:error --concurrency 2]
2022-10-21T16:28:47.634990Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T16:28:47.876693Z info ads ADS: new connection for node:onap-dcae-prh-6bfd8d689-4s2sg.onap-1
2022-10-21T16:28:47.888184Z info cache generated new workload certificate latency=420.468415ms ttl=23h59m59.111840912s
2022-10-21T16:28:47.888233Z info cache Root cert has changed, start rotating root cert
2022-10-21T16:28:47.888256Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:1 Version:
2022-10-21T16:28:47.888320Z info cache returned workload trust anchor from cache ttl=23h59m59.111682093s
2022-10-21T16:28:47.888338Z info cache returned workload trust anchor from cache ttl=23h59m59.111663982s
2022-10-21T16:28:47.888875Z info ads SDS: PUSH request for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:1.1kB resource:ROOTCA
2022-10-21T16:28:47.888938Z info cache returned workload trust anchor from cache ttl=23h59m59.11106517s
2022-10-21T16:28:47.888959Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:1.1kB resource:ROOTCA
2022-10-21T16:28:47.916057Z info ads ADS: new connection for node:onap-dcae-prh-6bfd8d689-4s2sg.onap-2
2022-10-21T16:28:47.916245Z info cache returned workload certificate from cache ttl=23h59m59.083767843s
2022-10-21T16:28:47.916515Z info ads SDS: PUSH request for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-21T16:28:48.504633Z info Readiness succeeded in 1.171772671s
2022-10-21T16:28:48.505060Z info Envoy proxy is ready
2022-10-21T16:29:08.166503Z error Request to probe app failed: Get "http://10.233.65.171:8100/heartbeat": dial tcp 127.0.0.6:0->10.233.65.171:8100: connect: connection refused, original URL path = /app-health/dcae-prh/readyz
app URL path = /heartbeat
2022-10-21T16:45:19.818993Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T17:17:53.818340Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T17:48:36.498072Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T18:21:11.522665Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T18:53:41.451877Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T18:54:35.750803Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T19:25:54.129980Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T19:54:28.564231Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T20:22:15.953686Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T20:54:12.094209Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T21:27:00.449295Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T21:55:58.000577Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T22:25:45.537264Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T22:56:33.459186Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T23:24:40.141726Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-21T23:53:36.954943Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T00:26:44.123664Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T00:57:12.230292Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T01:28:45.602681Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T02:01:40.343037Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T02:29:02.120275Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T02:59:36.470605Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T03:27:29.138302Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T03:59:38.209347Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T04:28:17.744057Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T04:28:47.444429Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:2 Version:
2022-10-22T04:28:47.672383Z info cache generated new workload certificate latency=227.602933ms ttl=23h59m58.327638957s
2022-10-22T04:28:47.672564Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-22T05:01:02.236674Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T05:32:02.213732Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T06:02:41.346194Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T06:31:12.513555Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T06:59:21.205489Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T07:29:04.970969Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T07:56:22.241835Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T08:28:18.956948Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T08:57:22.159216Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T09:30:26.302357Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T10:01:47.626623Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T10:31:04.637332Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T11:03:19.991877Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T11:31:41.250344Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T11:59:44.032846Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T12:32:48.686118Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T13:01:36.212211Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T13:32:21.899209Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T14:02:34.549364Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T14:32:05.930489Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T15:01:02.767649Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T15:30:02.749379Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T16:01:39.956763Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T16:28:46.836560Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:2 Version:
2022-10-22T16:28:46.918000Z info cache generated new workload certificate latency=81.131827ms ttl=23h59m58.082019961s
2022-10-22T16:28:46.918170Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-22T16:32:28.526649Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T16:59:40.748407Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T17:29:51.641293Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T18:00:21.632842Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T18:27:54.311382Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T18:57:42.317104Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T19:26:14.495031Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T19:56:22.214396Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T20:25:56.807780Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T20:55:16.160971Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T21:27:31.370824Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T21:56:48.496148Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T22:24:04.852640Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T22:56:50.241252Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T23:29:18.900878Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-22T23:59:08.130365Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T00:31:56.964090Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T01:02:23.523403Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T01:33:05.926172Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T02:00:39.292102Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T02:32:00.199701Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T03:02:18.668023Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T03:29:48.868576Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T03:57:19.430299Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T04:24:50.544121Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T04:28:45.959707Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:2 Version:
2022-10-23T04:28:46.056581Z info cache generated new workload certificate latency=96.551534ms ttl=23h59m57.943444424s
2022-10-23T04:28:46.057143Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-23T04:52:01.535539Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T05:20:04.894553Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T05:51:04.262723Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T06:23:37.612202Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T06:51:03.163286Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T07:18:27.086590Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T07:45:52.287113Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T08:16:54.895742Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T08:47:34.780543Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T09:20:25.755332Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T09:52:33.285749Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T10:20:51.053678Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T10:48:04.244646Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T11:19:29.970021Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T11:48:59.243096Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T12:17:21.993191Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T12:46:12.573375Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T13:15:21.565333Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T13:44:44.217639Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T14:14:27.855433Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T14:45:06.827585Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T15:17:10.367061Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T15:47:40.142553Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T16:18:37.634522Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T16:28:45.029164Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:2 Version:
2022-10-23T16:28:45.202823Z info cache generated new workload certificate latency=173.375943ms ttl=23h59m57.797198006s
2022-10-23T16:28:45.202974Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-23T16:47:17.698409Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T17:20:24.784012Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T17:50:31.157038Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T18:19:08.365314Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T18:51:42.033969Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T19:23:02.501916Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T19:51:47.269514Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T20:20:22.530662Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T20:48:26.894971Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T21:17:22.142418Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T21:47:07.317970Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T22:14:32.115744Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T22:45:15.741947Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T23:16:00.210794Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-23T23:46:13.799565Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T00:19:06.814253Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T00:50:57.534585Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T01:21:07.705458Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T01:54:00.632867Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T02:26:40.602115Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T02:59:20.514706Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T03:26:59.418776Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T04:00:07.619671Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T04:28:44.103322Z info ads XDS: Incremental Pushing:0 ConnectedEndpoints:2 Version:
2022-10-24T04:28:44.276353Z info cache generated new workload certificate latency=172.762634ms ttl=23h59m56.72367807s
2022-10-24T04:28:44.276592Z info ads SDS: PUSH for node:onap-dcae-prh-6bfd8d689-4s2sg.onap resources:1 size:4.0kB resource:default
2022-10-24T04:31:40.365842Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T05:02:20.532868Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T05:30:40.024950Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T05:59:16.573765Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T06:28:37.613423Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T06:56:59.580610Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T07:29:08.319633Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T08:01:53.235436Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T08:02:05.556518Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012
2022-10-24T08:31:41.365683Z info xdsproxy connected to upstream XDS server: istiod.istio-system.svc:15012