[   12.229555] ip (214) used greatest stack depth: 12312 bytes left
[   12.331923] ip (246) used greatest stack depth: 12048 bytes left
[   61.766165] netem: version 1.3
[   71.084098] ip (4473) used greatest stack depth: 12040 bytes left
[  568.017808] pm_nl_ctl (24858) used greatest stack depth: 11856 bytes left