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: enp3s0f2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
    link/ether 50:46:5d:db:00:e0 brd ff:ff:ff:ff:ff:ff
3: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 74:e5:43:f1:87:99 brd ff:ff:ff:ff:ff:ff
4: enp0s20u1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
    link/ether e2:b5:25:18:c8:6f brd ff:ff:ff:ff:ff:ff
    inet 192.168.137.9/24 brd 192.168.137.255 scope global dynamic noprefixroute enp0s20u1
       valid_lft 2493sec preferred_lft 2493sec
    inet6 2409:4053:80f:fe6c:51:5626:d325:cd25/64 scope global temporary dynamic 
       valid_lft 239sec preferred_lft 119sec
    inet6 2409:4053:80f:fe6c:f6a2:8be7:a41c:b719/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 239sec preferred_lft 119sec
    inet6 fe80::da92:6a5c:48f0:8ccd/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever