[  521.643086] gre: GRE over IPv4 demultiplexer driver
[  521.646532] ip6_gre: GRE over IPv6 tunneling driver
[  521.650327] ip6_tunnel: g1 xmit: Local address not yet configured!
[  521.653265] ip6_tunnel: g1 xmit: Local address not yet configured!
[  521.805232] ip6_tunnel: g2 xmit: Local address not yet configured!
[  521.807777] ip6_tunnel: g2 xmit: Local address not yet configured!