1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether e8:9a:8f:6d:6a:aa brd ff:ff:ff:ff:ff:ff
    inet 172.20.14.12/24 brd 172.20.14.255 scope global eth0
    inet6 2405:5000:cafe:1014:ea9a:8fff:fe6d:6aaa/64 scope global dynamic 
       valid_lft 2591543sec preferred_lft 604343sec
    inet6 fe80::ea9a:8fff:fe6d:6aaa/64 scope link 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc mq state DOWN qlen 1000
    link/ether a0:88:b4:5b:87:64 brd ff:ff:ff:ff:ff:ff