[  568.777306] gre: GRE over IPv4 demultiplexer driver
[  568.780762] ip6_gre: GRE over IPv6 tunneling driver
[  568.786205] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.789892] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.979670] ip6_tunnel: g2 xmit: Local address not yet configured!
[  568.982812] ip6_tunnel: g2 xmit: Local address not yet configured!