[  531.738606] ip (19367) used greatest stack depth: 12376 bytes left
[  531.859894] gre: GRE over IPv4 demultiplexer driver
[  531.863884] ip6_gre: GRE over IPv6 tunneling driver
[  531.869093] ip6_tunnel: g1 xmit: Local address not yet configured!
[  531.872841] ip6_tunnel: g1 xmit: Local address not yet configured!
[  532.052017] ip6_tunnel: g2 xmit: Local address not yet configured!
[  532.055528] ip6_tunnel: g2 xmit: Local address not yet configured!