[    1.979800] ip (286) used greatest stack depth: 12248 bytes left
[   51.687158] netem: version 1.3
[  429.557019] ip (10031) used greatest stack depth: 12232 bytes left
[  562.046906] tc (15678) used greatest stack depth: 11952 bytes left
[  619.751801] pm_nl_ctl (18822) used greatest stack depth: 11872 bytes left