[  597.729591] gre: GRE over IPv4 demultiplexer driver
[  597.735562] ip6_gre: GRE over IPv6 tunneling driver
[  597.750109] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.763300] ip6_tunnel: g1 xmit: Local address not yet configured!
[  598.401384] ip6_tunnel: g2 xmit: Local address not yet configured!
[  598.413167] ip6_tunnel: g2 xmit: Local address not yet configured!