[  508.223842] gre: GRE over IPv4 demultiplexer driver
[  508.227316] ip6_gre: GRE over IPv6 tunneling driver
[  508.230843] ip6_tunnel: g1 xmit: Local address not yet configured!
[  508.234604] ip6_tunnel: g1 xmit: Local address not yet configured!
[  508.394622] ip6_tunnel: g2 xmit: Local address not yet configured!
[  508.397273] ip6_tunnel: g2 xmit: Local address not yet configured!