[   75.662136] gre: GRE over IPv4 demultiplexor driver
[   75.743440] ip (624) used greatest stack depth: 12368 bytes left
[   75.859408] ip_gre: GRE over IPv4 tunneling driver
[   77.204764] ip (771) used greatest stack depth: 12352 bytes left
[   85.512760] ip6_gre: GRE over IPv6 tunneling driver
[   91.580718] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   93.052715] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   94.460714] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   95.932695] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  107.776297] ping (2586) used greatest stack depth: 12288 bytes left