[  502.980228] gre: GRE over IPv4 demultiplexer driver
[  502.984744] ip6_gre: GRE over IPv6 tunneling driver
[  502.988822] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.994684] ip6_tunnel: g1 xmit: Local address not yet configured!
[  503.175692] ip6_tunnel: g2 xmit: Local address not yet configured!
[  503.178653] ip6_tunnel: g2 xmit: Local address not yet configured!