[  597.323084] gre: GRE over IPv4 demultiplexer driver
[  597.327600] ip6_gre: GRE over IPv6 tunneling driver
[  597.341719] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.352829] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.931230] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.941702] ip6_tunnel: g2 xmit: Local address not yet configured!