[    1.833246] ip (294) used greatest stack depth: 12248 bytes left
[   47.174122] netem: version 1.3
[  513.102719] ip (14303) used greatest stack depth: 12168 bytes left
[  561.756182] tc (15679) used greatest stack depth: 11952 bytes left
[  620.220109] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left