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: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
    link/ether 04:7d:7b:17:07:25 brd ff:ff:ff:ff:ff:ff
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether 74:de:2b:e7:3f:39 brd ff:ff:ff:ff:ff:ff
    inet 172.16.255.156/24 brd 172.16.255.255 scope global wlan0
    inet6 fe80::76de:2bff:fee7:3f39/64 scope link 
       valid_lft forever preferred_lft forever