[    2.008602] ip (293) used greatest stack depth: 12248 bytes left
[   50.858446] netem: version 1.3
[  100.448802] ip (3443) used greatest stack depth: 12232 bytes left
[  571.723451] tc (15677) used greatest stack depth: 11912 bytes left
[  634.197313] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left