[  596.591439] gre: GRE over IPv4 demultiplexer driver
[  596.600922] ip6_gre: GRE over IPv6 tunneling driver
[  596.626677] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.647458] ip6_tunnel: g1 xmit: Local address not yet configured!
[  597.569456] ip6_tunnel: g2 xmit: Local address not yet configured!
[  597.582013] ip6_tunnel: g2 xmit: Local address not yet configured!