[  606.736818] gre: GRE over IPv4 demultiplexer driver
[  606.744487] ip6_gre: GRE over IPv6 tunneling driver
[  606.771294] ip6_tunnel: g1 xmit: Local address not yet configured!
[  606.791200] ip6_tunnel: g1 xmit: Local address not yet configured!
[  607.931456] ip6_tunnel: g2 xmit: Local address not yet configured!
[  607.948226] ip6_tunnel: g2 xmit: Local address not yet configured!