[  491.602323] gre: GRE over IPv4 demultiplexer driver
[  491.607142] ip6_gre: GRE over IPv6 tunneling driver
[  491.611751] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.615005] ip6_tunnel: g1 xmit: Local address not yet configured!
[  491.775734] ip6_tunnel: g2 xmit: Local address not yet configured!
[  491.779519] ip6_tunnel: g2 xmit: Local address not yet configured!