$ ip addr show

STDOUT
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether ac:e2:d3:6c:05:0c brd ff:ff:ff:ff:ff:ff
    inet 10.11.11.3/24 brd 10.11.11.255 scope global noprefixroute enp1s0
       valid_lft forever preferred_lft forever
3: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 9c:da:3e:a4:e5:11 brd ff:ff:ff:ff:ff:ff
    inet 192.168.178.42/24 brd 192.168.178.255 scope global dynamic noprefixroute wlp2s0
       valid_lft 39391sec preferred_lft 39391sec
    inet6 fe80::5148:fd89:e1fa:d668/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

STDERR