[  596.754436] gre: GRE over IPv4 demultiplexer driver
[  596.758734] ip6_gre: GRE over IPv6 tunneling driver
[  596.772491] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.785059] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.415763] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.426313] ip6_tunnel: g2 xmit: Local address not yet configured!