===== COMMAND =====: ip a
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.2] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
[10.20.0.2] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.2] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.2] out:        valid_lft forever preferred_lft forever
[10.20.0.2] out:     inet6 ::1/128 scope host 
[10.20.0.2] out:        valid_lft forever preferred_lft forever
[10.20.0.2] out: 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
[10.20.0.2] out:     link/ether 52:54:00:3f:aa:b3 brd ff:ff:ff:ff:ff:ff
[10.20.0.2] out:     inet 10.20.0.2/24 brd 10.20.0.255 scope global eth0
[10.20.0.2] out:        valid_lft forever preferred_lft forever
[10.20.0.2] out:     inet6 fe80::5054:ff:fe3f:aab3/64 scope link 
[10.20.0.2] out:        valid_lft forever preferred_lft forever
[10.20.0.2] out: 3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN 
[10.20.0.2] out:     link/ether 02:42:35:73:14:30 brd ff:ff:ff:ff:ff:ff
[10.20.0.2] out:     inet 172.17.0.1/16 scope global docker0
[10.20.0.2] out:        valid_lft forever preferred_lft forever
[10.20.0.2] out: 

===== STDERR =====:
