root@ibex:~# ip -6 r s default default via x:x:0:2::1 dev eth0 metric 1 mtu 1500 advmss 1440 hoplimit 4294967295
root@ibex:~# ip -6 r s default
default via x:x:0:2::1 dev eth0 metric 1 mtu 1500 advmss 1440 hoplimit 4294967295