[  628.403662] gre: GRE over IPv4 demultiplexer driver
[  628.407421] ip6_gre: GRE over IPv6 tunneling driver
[  628.414420] ip6_tunnel: g1 xmit: Local address not yet configured!
[  628.418249] ip6_tunnel: g1 xmit: Local address not yet configured!
[  628.633846] ip6_tunnel: g2 xmit: Local address not yet configured!
[  628.637277] ip6_tunnel: g2 xmit: Local address not yet configured!