[  604.222584] gre: GRE over IPv4 demultiplexer driver
[  604.226802] ip6_gre: GRE over IPv6 tunneling driver
[  604.258414] ip6_tunnel: g1 xmit: Local address not yet configured!
[  604.262140] ip6_tunnel: g1 xmit: Local address not yet configured!
[  604.451504] ip6_tunnel: g2 xmit: Local address not yet configured!
[  604.454694] ip6_tunnel: g2 xmit: Local address not yet configured!