[  598.268170] gre: GRE over IPv4 demultiplexer driver
[  598.272519] ip6_gre: GRE over IPv6 tunneling driver
[  598.287231] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.301291] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.916692] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.926346] ip6_tunnel: g2 xmit: Local address not yet configured!