CoreOS команды
$ ss -lnt
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 172.17.8.103:2380 *:*
LISTEN 0 128 172.17.8.103:7001 *:*
LISTEN 0 128 :::2375 :::*
LISTEN 0 128 :::2379 :::*
LISTEN 0 128 :::22 :::*
LISTEN 0 128 :::8888 :::*
LISTEN 0 128 :::4001 :::*