 ip link
1: lo: <LOOPBACK,MULTICAST,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: sit0@NONE: <NOARP> mtu 1480 qdisc noop
    link/sit 0.0.0.0 brd 0.0.0.0
3: eth0: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:0e:a6:f6:1f:83 brd ff:ff:ff:ff:ff:ff
4: eth1: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:0e:a6:f6:1f:83 brd ff:ff:ff:ff:ff:ff
5: vlan0: <BROADCAST,MULTICAST,PROMISC,UP> mtu 1500 qdisc noqueue
    link/ether 00:0e:a6:f6:1f:83 brd ff:ff:ff:ff:ff:ff
6: vlan1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
    link/ether 00:0e:a6:f6:1f:83 brd ff:ff:ff:ff:ff:ff
7: br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
    link/ether 00:0e:a6:f6:1f:83 brd ff:ff:ff:ff:ff:ff
8: ppp0: <POINTOPOINT,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 3
    link/ppp
