[  552.429783] gre: GRE over IPv4 demultiplexer driver
[  552.432961] ip6_gre: GRE over IPv6 tunneling driver
[  552.440075] ip6_tunnel: g1 xmit: Local address not yet configured!
[  552.444077] ip6_tunnel: g1 xmit: Local address not yet configured!
[  552.681639] ip6_tunnel: g2 xmit: Local address not yet configured!
[  552.685796] ip6_tunnel: g2 xmit: Local address not yet configured!