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: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether 54:ee:75:7c:bb:10 brd ff:ff:ff:ff:ff:ff
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether a4:34:d9:33:27:5a brd ff:ff:ff:ff:ff:ff
    inet 172.20.20.20/24 brd 172.20.20.255 scope global dynamic wlp3s0
       valid_lft 282sec preferred_lft 282sec
    inet6 fe80::59d9:aed:61c:18c8/64 scope link 
       valid_lft forever preferred_lft forever