[  587.683739] gre: GRE over IPv4 demultiplexer driver
[  587.687707] ip6_gre: GRE over IPv6 tunneling driver
[  587.700626] ip6_tunnel: g1 xmit: Local address not yet configured!
[  587.710172] ip6_tunnel: g1 xmit: Local address not yet configured!
[  588.192145] ip6_tunnel: g2 xmit: Local address not yet configured!
[  588.200367] ip6_tunnel: g2 xmit: Local address not yet configured!