[  437.752337] gre: GRE over IPv4 demultiplexer driver
[  437.757430] ip6_gre: GRE over IPv6 tunneling driver
[  437.772994] ip6_tunnel: g1 xmit: Local address not yet configured!
[  437.785996] ip6_tunnel: g1 xmit: Local address not yet configured!
[  438.473618] ip6_tunnel: g2 xmit: Local address not yet configured!
[  438.485679] ip6_tunnel: g2 xmit: Local address not yet configured!