[  552.344064] gre: GRE over IPv4 demultiplexer driver
[  552.348018] ip6_gre: GRE over IPv6 tunneling driver
[  552.355693] ip6_tunnel: g1 xmit: Local address not yet configured!
[  552.361491] ip6_tunnel: g1 xmit: Local address not yet configured!
[  552.627780] ip6_tunnel: g2 xmit: Local address not yet configured!
[  552.631509] ip6_tunnel: g2 xmit: Local address not yet configured!