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 UNKNOWN qlen 1000
    link/ether 00:21:70:d8:0a:73 brd ff:ff:ff:ff:ff:ff
    inet 10.45.43.94/24 brd 10.45.43.255 scope global eth0
    inet6 fe80::221:70ff:fed8:a73/64 scope link 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:23:08:49:59:ad brd ff:ff:ff:ff:ff:ff
4: pan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN 
    link/ether 92:e2:c3:06:be:3b brd ff:ff:ff:ff:ff:ff