[    1.898948] ip (285) used greatest stack depth: 12248 bytes left
[   49.400912] netem: version 1.3
[   96.475732] ip (3479) used greatest stack depth: 12168 bytes left
[  564.421266] tc (15676) used greatest stack depth: 11912 bytes left
[  623.189280] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left