[  502.884592] gre: GRE over IPv4 demultiplexer driver
[  502.888667] ip6_gre: GRE over IPv6 tunneling driver
[  502.902788] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.917699] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.529890] ip6_tunnel: g2 xmit: Local address not yet configured!
[  503.539502] ip6_tunnel: g2 xmit: Local address not yet configured!