[    1.728693] ip (249) used greatest stack depth: 12368 bytes left
[    2.082399] ip (279) used greatest stack depth: 12320 bytes left
[   27.429377] ip (1230) used greatest stack depth: 12272 bytes left
[   46.870316] netem: version 1.3
[   82.107470] ip (2484) used greatest stack depth: 12032 bytes left
[  370.150191] ip (6272) used greatest stack depth: 12000 bytes left