ip -6 a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
    inet6 2a01:7e00::f03c:91ff:fef1:ed64/64 scope global mngtmpaddr dynamic
       valid_lft 14400sec preferred_lft 3600sec
    inet6 fe80::f03c:91ff:fef1:ed64/64 scope link
       valid_lft forever preferred_lft forever

ip -6 r
2a01:7e00::/64 dev eth0 proto kernel metric 256  expires 14398sec pref medium
fe80::/64 dev eth0 proto kernel metric 256  pref medium
default via fe80::1 dev eth0 proto ra metric 1024  expires 298sec hoplimit 64 pref medium