[  502.017005] gre: GRE over IPv4 demultiplexer driver
[  502.020685] ip6_gre: GRE over IPv6 tunneling driver
[  502.025951] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.029185] ip6_tunnel: g1 xmit: Local address not yet configured!
[  502.208113] ip6_tunnel: g2 xmit: Local address not yet configured!
[  502.211005] ip6_tunnel: g2 xmit: Local address not yet configured!