$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
....
2: ens33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:0c:29:32:6c:97 brd ff:ff:ff:ff:ff:ff
inet ***.***.***.***/24 brd ***.***.***.*** scope global dynamic ens33
valid_lft 1336sec preferred_lft 1336sec
inet6 ****:****:****:****:****:****/64 scope link
valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
....