[  255.531738] gre: GRE over IPv4 demultiplexer driver
[  255.536494] ip6_gre: GRE over IPv6 tunneling driver
[  255.540379] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.544075] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.717779] ip6_tunnel: g2 xmit: Local address not yet configured!
[  255.721055] ip6_tunnel: g2 xmit: Local address not yet configured!