[  574.277216] gre: GRE over IPv4 demultiplexer driver
[  574.281093] ip6_gre: GRE over IPv6 tunneling driver
[  574.285302] ip6_tunnel: g1 xmit: Local address not yet configured!
[  574.289251] ip6_tunnel: g1 xmit: Local address not yet configured!
[  574.416272] tc (3709) used greatest stack depth: 11792 bytes left
[  574.455536] ip6_tunnel: g2 xmit: Local address not yet configured!
[  574.458608] ip6_tunnel: g2 xmit: Local address not yet configured!