[  575.475967] gre: GRE over IPv4 demultiplexer driver
[  575.480194] ip6_gre: GRE over IPv6 tunneling driver
[  575.485815] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.489636] ip6_tunnel: g1 xmit: Local address not yet configured!
[  575.700122] ip6_tunnel: g2 xmit: Local address not yet configured!
[  575.703674] ip6_tunnel: g2 xmit: Local address not yet configured!