[    2.153885] ip (293) used greatest stack depth: 12248 bytes left
[   46.824018] ip (2676) used greatest stack depth: 12232 bytes left
[   53.718266] netem: version 1.3
[  624.527624] tc (21336) used greatest stack depth: 11952 bytes left
[  680.687766] pm_nl_ctl (24476) used greatest stack depth: 11864 bytes left