[  501.601177] gre: GRE over IPv4 demultiplexer driver
[  501.606710] ip6_gre: GRE over IPv6 tunneling driver
[  501.611172] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.614133] ip6_tunnel: g1 xmit: Local address not yet configured!
[  501.781484] ip6_tunnel: g2 xmit: Local address not yet configured!
[  501.785483] ip6_tunnel: g2 xmit: Local address not yet configured!