[  732.759916] gre: GRE over IPv4 demultiplexor driver
[  732.904544] ip_gre: GRE over IPv4 tunneling driver
[  733.225866] ip (8563) used greatest stack depth: 12272 bytes left
[  741.593861] ip6_gre: GRE over IPv6 tunneling driver
[  747.131518] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  748.539527] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  749.883533] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  751.291516] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  768.877912] ip (10833) used greatest stack depth: 12128 bytes left