[  568.544631] gre: GRE over IPv4 demultiplexer driver
[  568.548430] ip6_gre: GRE over IPv6 tunneling driver
[  568.554592] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.559428] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.728028] ip6_tunnel: g2 xmit: Local address not yet configured!
[  568.731522] ip6_tunnel: g2 xmit: Local address not yet configured!