[  596.314072] gre: GRE over IPv4 demultiplexer driver
[  596.319224] ip6_gre: GRE over IPv6 tunneling driver
[  596.334638] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.346039] ip6_tunnel: g1 xmit: Local address not yet configured!
[  596.966915] ip6_tunnel: g2 xmit: Local address not yet configured!
[  596.976507] ip6_tunnel: g2 xmit: Local address not yet configured!