[  501.062745] gre: GRE over IPv4 demultiplexer driver
[  501.066751] ip6_gre: GRE over IPv6 tunneling driver
[  501.071067] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.073909] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.240679] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.243325] ip6_tunnel: g2 xmit: Local address not yet configured!