[  568.409880] gre: GRE over IPv4 demultiplexer driver
[  568.413222] ip6_gre: GRE over IPv6 tunneling driver
[  568.417636] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.421525] ip6_tunnel: g1 xmit: Local address not yet configured!
[  568.574279] ip6_tunnel: g2 xmit: Local address not yet configured!
[  568.576923] ip6_tunnel: g2 xmit: Local address not yet configured!