[  596.246402] gre: GRE over IPv4 demultiplexer driver
[  596.251140] ip6_gre: GRE over IPv6 tunneling driver
[  596.262503] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.273126] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.884260] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.894263] ip6_tunnel: g2 xmit: Local address not yet configured!