[  255.859131] gre: GRE over IPv4 demultiplexer driver
[  255.863199] ip6_gre: GRE over IPv6 tunneling driver
[  255.867331] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.870655] ip6_tunnel: g1 xmit: Local address not yet configured!
[  256.033787] ip6_tunnel: g2 xmit: Local address not yet configured!
[  256.036619] ip6_tunnel: g2 xmit: Local address not yet configured!