[    2.098224] gre: GRE over IPv4 demultiplexor driver
[    2.202752] ip (253) used greatest stack depth: 12368 bytes left
[    2.340150] ip_gre: GRE over IPv4 tunneling driver
[    3.809739] ip (396) used greatest stack depth: 12352 bytes left
[   12.577225] ip6_gre: GRE over IPv6 tunneling driver
[   18.940764] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   20.412757] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   21.820773] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   23.292739] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   35.200246] ping (2219) used greatest stack depth: 11520 bytes left