docker: 'docker stop' requires at least 1 argument

Usage:  docker stop [OPTIONS] CONTAINER [CONTAINER...]

See 'docker stop --help' for more information
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed

  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0

 13 12.1M   13 1743k    0     0  3640k      0  0:00:03 --:--:--  0:00:03 3640k
100 12.1M  100 12.1M    0     0  20.9M      0 --:--:-- --:--:-- --:--:--  104M
Creating network "healthcheck_default" with driver "bridge"
Pulling a1-sim-OSC (nexus3.o-ran-sc.org:10002/o-ran-sc/a1-simulator:2.7.0)...
Creating policy-agent ... 
Creating a1-sim-STD-v2 ... 
Creating a1-sim-STD    ... 
Creating a1-sim-OSC    ... 
Creating a1-sim-STD-v2 ... done
Creating policy-agent  ... done
Creating a1-sim-STD    ... done
Creating a1-sim-OSC    ... done
curl: (35) error:0A000126:SSL routines::unexpected eof while reading
curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to localhost:8433 
curl: (35) error:0A000126:SSL routines::unexpected eof while reading
curl: (35) error:0A000126:SSL routines::unexpected eof while reading