[    1.663657] ip (255) used greatest stack depth: 12184 bytes left
[   37.798718] ip (2170) used greatest stack depth: 11960 bytes left
[   50.078210] netem: version 1.3
[  573.520172] tc (16944) used greatest stack depth: 11928 bytes left
[  629.959036] pm_nl_ctl (20248) used greatest stack depth: 11864 bytes left