1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
    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: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether a0:36:9f:55:91:64 brd ff:ff:ff:ff:ff:ff
3: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether ec:b1:d7:2d:05:95 brd ff:ff:ff:ff:ff:ff
5: enp0s20u9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
    link/ether b2:cf:52:47:1d:5f brd ff:ff:ff:ff:ff:ff
    inet 192.168.42.6/24 brd 192.168.42.255 scope global dynamic enp0s20u9
       valid_lft 2881sec preferred_lft 2881sec
    inet6 fe80::b0cf:52ff:fe47:1d5f/64 scope link
       valid_lft forever preferred_lft forever