[  493.561738] gre: GRE over IPv4 demultiplexer driver
[  493.567544] ip6_gre: GRE over IPv6 tunneling driver
[  493.582648] ip6_tunnel: g1 xmit: Local address not yet configured!
[  493.595222] ip6_tunnel: g1 xmit: Local address not yet configured!
[  494.174249] ip6_tunnel: g2 xmit: Local address not yet configured!
[  494.186011] ip6_tunnel: g2 xmit: Local address not yet configured!