[  606.102719] gre: GRE over IPv4 demultiplexer driver
[  606.107078] ip6_gre: GRE over IPv6 tunneling driver
[  606.121865] ip6_tunnel: g1 xmit: Local address not yet configured!
[  606.134645] ip6_tunnel: g1 xmit: Local address not yet configured!
[  606.778026] ip6_tunnel: g2 xmit: Local address not yet configured!
[  606.787461] ip6_tunnel: g2 xmit: Local address not yet configured!