1 2001:db8:1:: 2001:db8:1::ffff 2001:db8:1::/112 2001:db8:1::/64 2 2001:db8:2:: 2001:db8:2::ffff 2001:db8:2::/112 2001:db8:2::/64 eth1 /tmp/kea6-ctrl-socket unix