Command: ip a
Output: 1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 46:4a:08:dd:73:01 brd ff:ff:ff:ff:ff:ff
    inet 172.16.0.50/30 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::444a:8ff:fedd:7301/64 scope link tentative 
       valid_lft forever preferred_lft forever
3: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
Exit code: 0