[    2.251077] ip (285) used greatest stack depth: 12344 bytes left
[   32.281416] ip (1546) used greatest stack depth: 12240 bytes left
[   56.470499] netem: version 1.3
[  543.970214] ip (12424) used greatest stack depth: 12032 bytes left
[  694.455432] pm_nl_ctl (18608) used greatest stack depth: 11864 bytes left