[  629.347316] gre: GRE over IPv4 demultiplexer driver
[  629.352006] ip6_gre: GRE over IPv6 tunneling driver
[  629.367428] ip6_tunnel: g1 xmit: Local address not yet configured!
[  629.379983] ip6_tunnel: g1 xmit: Local address not yet configured!
[  630.023765] ip6_tunnel: g2 xmit: Local address not yet configured!
[  630.034174] ip6_tunnel: g2 xmit: Local address not yet configured!