[  787.195604] gre: GRE over IPv4 demultiplexer driver
[  787.200097] ip6_gre: GRE over IPv6 tunneling driver
[  787.212879] ip6_tunnel: g1 xmit: Local address not yet configured!
[  787.224624] ip6_tunnel: g1 xmit: Local address not yet configured!
[  787.752733] ip6_tunnel: g2 xmit: Local address not yet configured!
[  787.762437] ip6_tunnel: g2 xmit: Local address not yet configured!