[    3.202225] ip (416) used greatest stack depth: 12248 bytes left
[   51.447645] netem: version 1.3
[   88.915153] ip (3444) used greatest stack depth: 12232 bytes left
[  560.023428] tc (15679) used greatest stack depth: 11952 bytes left
[  618.753708] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left