1: lo: <LOOPBACK,UP,10000> 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
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
3: sit0: <NOARP> mtu 1480 qdisc noop
    link/sit 0.0.0.0 brd 0.0.0.0
8: eth0: <BROADCAST,MULTICAST,NOTRAILERS> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:c0:0f:69:f5:9c brd ff:ff:ff:ff:ff:ff
9: eth1: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:04:50:ce:09:51 brd ff:ff:ff:ff:ff:ff
    inet 192.168.223.164/22 brd 192.168.223.255 scope global eth1
    inet6 fe80::204:50ff:fece:951/64 scope link
       valid_lft forever preferred_lft forever
10: tun1: <POINTOPOINT,MULTICAST,NOARP,UP,10000> mtu 1500 qdisc pfifo_fast qlen 100
    link/[65534]
    inet 10.4.0.1 peer 10.4.0.2/32 scope global tun1
12: sixxs@NONE: <POINTOPOINT,NOARP,UP,10000> mtu 1480 qdisc noqueue
    link/sit 0.0.0.0 peer 212.224.0.188
    inet6 2001:6f8:202:f9::2/64 scope global
       valid_lft forever preferred_lft forever
    inet6 fe80::a04:1/64 scope link
       valid_lft forever preferred_lft forever
    inet6 fe80::c0a8:dfa4/64 scope link
       valid_lft forever preferred_lft forever


2001:6f8:202:f9::/64 via :: dev sixxs  metric 256  expires 21334060sec mtu 1480 advmss 1420 metric 10 4294967295
fe80::/64 dev eth1  metric 256  expires 21308262sec mtu 1500 advmss 1440 metric 10 4294967295
fe80::/64 via :: dev sixxs  metric 256  expires 21334023sec mtu 1480 advmss 1420 metric 10 4294967295
ff00::/8 dev eth1  metric 256  expires 21308262sec mtu 1500 advmss 1440 metric 10 4294967295
ff00::/8 dev sixxs  metric 256  expires 21334023sec mtu 1480 advmss 1420 metric 10 4294967295
default dev sixxs  metric 1024  expires 21334073sec mtu 1480 advmss 1420 metric 10 4294967295


sit0: ipv6/ip  remote any  local any  ttl 64  nopmtudisc
sixxs: ipv6/ip  remote 212.224.0.188  local any  ttl 64