[  551.374247] gre: GRE over IPv4 demultiplexer driver
[  551.378286] ip6_gre: GRE over IPv6 tunneling driver
[  551.383417] ip6_tunnel: g1 xmit: Local address not yet configured!
[  551.387186] ip6_tunnel: g1 xmit: Local address not yet configured!
[  551.562137] ip6_tunnel: g2 xmit: Local address not yet configured!
[  551.565051] ip6_tunnel: g2 xmit: Local address not yet configured!