[    1.591448] ip (260) used greatest stack depth: 12168 bytes left
[    4.697625] ip (670) used greatest stack depth: 12120 bytes left
[   50.300806] netem: version 1.3
[  574.954424] tc (16939) used greatest stack depth: 11896 bytes left
[  637.264786] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left