[    3.073291] ip (421) used greatest stack depth: 12056 bytes left
[   51.543152] netem: version 1.3
[   77.671125] ip (3586) used greatest stack depth: 11976 bytes left
[  554.333297] tc (16943) used greatest stack depth: 11920 bytes left
[  611.032256] pm_nl_ctl (20244) used greatest stack depth: 11848 bytes left