[  553.046275] gre: GRE over IPv4 demultiplexer driver
[  553.050380] ip6_gre: GRE over IPv6 tunneling driver
[  553.058430] ip6_tunnel: g1 xmit: Local address not yet configured!
[  553.062421] ip6_tunnel: g1 xmit: Local address not yet configured!
[  553.293965] ip6_tunnel: g2 xmit: Local address not yet configured!
[  553.298319] ip6_tunnel: g2 xmit: Local address not yet configured!