[    1.875348] ip (293) used greatest stack depth: 12248 bytes left
[   49.711469] netem: version 1.3
[  120.950871] ip (3754) used greatest stack depth: 12232 bytes left
[  624.657091] tc (21225) used greatest stack depth: 11952 bytes left
[  683.095555] pm_nl_ctl (24367) used greatest stack depth: 11736 bytes left