[    3.355383] ip (406) used greatest stack depth: 12248 bytes left
[   52.595861] netem: version 1.3
[  130.886557] ip (3895) used greatest stack depth: 12232 bytes left
[  573.025550] tc (15678) used greatest stack depth: 11952 bytes left
[  631.138779] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left