1: lo: <LOOPBACK,UP,10000> mtu 16436
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
3: eth0: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qlen 1000
    inet6 fe80::2d0:b7ff:fe21:210d/64 scope link
       valid_lft forever preferred_lft forever
4: eth1: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qlen 1000
    inet6 2002:80d3:c2ad::1/64 scope global
       valid_lft forever preferred_lft forever
    inet6 fe80::2d0:b7ff:fe25:ed07/64 scope link
       valid_lft forever preferred_lft forever
12: tun6to4@NONE: <NOARP,UP,10000> mtu 1480
    inet6 ::128.211.194.173/128 scope global
       valid_lft forever preferred_lft forever



::/96 via :: dev tun6to4  metric 256  expires -42174sec mtu 1480 advmss 1420 hoplimit 4294967295
2002:80d3:c2ad::/64 dev eth1  metric 256  expires -42174sec mtu 1500 advmss 1440 hoplimit 4294967295
2002::/16 dev tun6to4  metric 1024  expires -42174sec mtu 1480 advmss 1420 hoplimit 4294967295
2000::/3 via ::192.88.99.1 dev tun6to4  metric 1024  expires -42174sec mtu 1480 advmss 1420 hoplimit 4294967295
fe80::/64 dev eth0  metric 256  expires -42185sec mtu 1500 advmss 1440 hoplimit 4294967295
fe80::/64 dev eth1  metric 256  expires -42179sec mtu 1500 advmss 1440 hoplimit 4294967295
ff00::/8 dev eth0  metric 256  expires -42185sec mtu 1500 advmss 1440 hoplimit 4294967295
ff00::/8 dev eth1  metric 256  expires -42179sec mtu 1500 advmss 1440 hoplimit 4294967295
unreachable default dev lo  proto none  metric -1  error -101 hoplimit 255