[  635.096795] gre: GRE over IPv4 demultiplexer driver
[  635.099894] ip6_gre: GRE over IPv6 tunneling driver
[  635.103668] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.107137] ip6_tunnel: g1 xmit: Local address not yet configured!
[  635.263714] ip6_tunnel: g2 xmit: Local address not yet configured!
[  635.267537] ip6_tunnel: g2 xmit: Local address not yet configured!