[root@hn net]# ip a l
1: venet0: <BROADCAST,POINTOPOINT,NOARP,UP> mtu 1500 qdisc noqueue
    link/void
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:0e:0c:83:4a:90 brd ff:ff:ff:ff:ff:ff
    inet 27.16.122.72/26 brd 27.16.122.108 scope global eth0
4: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
6: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop
    link/ether 1a:60:19:07:1a:f0 brd ff:ff:ff:ff:ff:ff
8: tunl0: <NOARP> mtu 1480 qdisc noop
    link/ipip 0.0.0.0 brd 0.0.0.0

[root@hn net]# ip r l
172.16.2.1 dev venet0  scope link  src 27.16.122.72
172.16.4.1 dev venet0  scope link  src 27.16.122.72
172.16.2.2 dev venet0  scope link  src 27.16.122.72
27.16.122.129 dev venet0  scope link  src 27.16.122.72
27.16.122.128 dev venet0  scope link  src 27.16.122.72
27.16.122.131 dev venet0  scope link  src 27.16.122.72
27.16.122.130 dev venet0  scope link  src 27.16.122.72
172.16.1.1 dev venet0  scope link  src 27.16.122.72
172.16.3.1 dev venet0  scope link  src 27.16.122.72
172.16.3.3 dev venet0  scope link  src 27.16.122.72
27.16.122.134 dev venet0  scope link  src 27.16.122.72
27.16.122.0/26 dev eth0  proto kernel  scope link  src 27.16.122.72
169.254.0.0/16 dev eth0  scope link
default via 27.16.122.1 dev eth0