[  601.691804] gre: GRE over IPv4 demultiplexer driver
[  601.695901] ip6_gre: GRE over IPv6 tunneling driver
[  601.712265] ip6_tunnel: g1 xmit: Local address not yet configured!
[  601.723472] ip6_tunnel: g1 xmit: Local address not yet configured!
[  602.290260] ip6_tunnel: g2 xmit: Local address not yet configured!
[  602.299211] ip6_tunnel: g2 xmit: Local address not yet configured!