[  568.465282] gre: GRE over IPv4 demultiplexer driver
[  568.469389] ip6_gre: GRE over IPv6 tunneling driver
[  568.473583] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.476696] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.676385] ip6_tunnel: g2 xmit: Local address not yet configured!
[  568.679763] ip6_tunnel: g2 xmit: Local address not yet configured!