[  395.349270] gre: GRE over IPv4 demultiplexer driver
[  395.353373] ip6_gre: GRE over IPv6 tunneling driver
[  395.356761] ip6_tunnel: g1 xmit: Local address not yet configured!
[  395.359359] ip6_tunnel: g1 xmit: Local address not yet configured!
[  395.477550] tc (4171) used greatest stack depth: 11760 bytes left
[  395.515143] ip6_tunnel: g2 xmit: Local address not yet configured!
[  395.517949] ip6_tunnel: g2 xmit: Local address not yet configured!