[  491.443334] gre: GRE over IPv4 demultiplexer driver
[  491.447619] ip6_gre: GRE over IPv6 tunneling driver
[  491.452265] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.455448] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.617856] ip6_tunnel: g2 xmit: Local address not yet configured!
[  491.620589] ip6_tunnel: g2 xmit: Local address not yet configured!