1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 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 c8:0a:a9:6e:2e:02 brd ff:ff:ff:ff:ff:ff
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether 00:27:10:14:e9:20 brd ff:ff:ff:ff:ff:ff
    inet 192.168.87.121/24 brd 192.168.87.255 scope global wlan0
    inet6 fe80::227:10ff:fe14:e920/64 scope link 
       valid_lft forever preferred_lft forever