[  596.064645] gre: GRE over IPv4 demultiplexer driver
[  596.069383] ip6_gre: GRE over IPv6 tunneling driver
[  596.082607] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.094549] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.681737] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.691526] ip6_tunnel: g2 xmit: Local address not yet configured!