[  639.967890] gre: GRE over IPv4 demultiplexer driver
[  639.971411] ip6_gre: GRE over IPv6 tunneling driver
[  639.975388] ip6_tunnel: g1 xmit: Local address not yet configured!
[  639.979358] ip6_tunnel: g1 xmit: Local address not yet configured!
[  640.127169] ip6_tunnel: g2 xmit: Local address not yet configured!
[  640.129620] ip6_tunnel: g2 xmit: Local address not yet configured!