[  575.409734] gre: GRE over IPv4 demultiplexer driver
[  575.414355] ip6_gre: GRE over IPv6 tunneling driver
[  575.420313] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.423806] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.624153] ip6_tunnel: g2 xmit: Local address not yet configured!
[  575.627735] ip6_tunnel: g2 xmit: Local address not yet configured!