$ ip addr                                                                   
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 
       valid_lft forever preferred_lft forever
2: enp3s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
    link/ether a0:36:9f:7d:95:70 brd ff:ff:ff:ff:ff:ff
3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:60:6e:6e:66:da brd ff:ff:ff:ff:ff:ff
    inet 84.250.39.81/20 brd 84.250.47.255 scope global eno1
       valid_lft forever preferred_lft forever
    inet6 2001:2003:54fa:2751::1/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::a60:6eff:fe6e:66da/64 scope link 
       valid_lft forever preferred_lft forever
4: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
5: tun6rd@NONE: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN group default qlen 1000
    link/sit 84.250.39.81 peer 80.221.111.254
    inet6 fe80::54fa:2751/64 scope link 
       valid_lft forever preferred_lft forever