::fixture-ready::
$ ss -ltnp
State  Recv-Q Send-Q Local Address:Port Peer Address:Port Process
LISTEN 0      511    0.0.0.0:80        0.0.0.0:*     users:(("nginx",pid=1907,fd=6))
LISTEN 0      128    127.0.0.1:5432     0.0.0.0:*     users:(("postgres",pid=2011,fd=7))
LISTEN 0      64     0.0.0.0:22        0.0.0.0:*     users:(("sshd",pid=801,fd=3))
::exit-code::0
$ ss -tan state established
State Recv-Q Send-Q Local Address:Port Peer Address:Port
ESTAB 0      0      10.0.0.5:443     198.51.100.20:51422
ESTAB 0      0      10.0.0.5:5432    10.0.0.8:41430
::exit-code::0