[  587.956417] gre: GRE over IPv4 demultiplexer driver
[  587.960280] ip6_gre: GRE over IPv6 tunneling driver
[  587.971589] ip6_tunnel: g1 xmit: Local address not yet configured!
[  587.980526] ip6_tunnel: g1 xmit: Local address not yet configured!
[  588.447428] ip6_tunnel: g2 xmit: Local address not yet configured!
[  588.455159] ip6_tunnel: g2 xmit: Local address not yet configured!