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
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether 00:11:25:49:5e:8d brd ff:ff:ff:ff:ff:ff
    inet 192.168.9.4/24 brd 192.168.9.255 scope global eth0
3: irda0: <NOARP> mtu 2048 qdisc noop state DOWN qlen 8
    link/irda 00:00:00:00 brd ff:ff:ff:ff
4: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
    link/ether 00:0e:9b:a3:cb:4f brd ff:ff:ff:ff:ff:ff