[  522.394843] gre: GRE over IPv4 demultiplexer driver
[  522.404262] ip6_gre: GRE over IPv6 tunneling driver
[  522.434967] ip6_tunnel: g1 xmit: Local address not yet configured!
[  522.468819] ip6_tunnel: g1 xmit: Local address not yet configured!
[  523.671262] ip6_tunnel: g2 xmit: Local address not yet configured!
[  523.688317] ip6_tunnel: g2 xmit: Local address not yet configured!