sit0: ipv6/ip  remote any  local any  ttl 64  nopmtudisc
sit0: ipv6/ip  remote any  local any  ttl 64  nopmtudisc
1: lo: <LOOPBACK,UP,10000> mtu 16436 
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,NOTRAILERS,UP,10000> mtu 1500 qlen 1000
    inet6 fe80::216:e3ff:fe31:87cb/64 scope link 
       valid_lft forever preferred_lft forever
fe80::/64 dev wlan0  metric 256  expires -3118sec mtu 1500 advmss 1440 metric 10 4294967295
ff00::/8 dev wlan0  metric 256  expires -3118sec mtu 1500 advmss 1440 metric 10 4294967295
unreachable default dev lo  proto none  metric -1  error -101 metric 10 255
sit0: ipv6/ip  remote any  local any  ttl 64  nopmtudisc