[    1.830196] ip (285) used greatest stack depth: 12248 bytes left
[   46.443113] netem: version 1.3
[  490.685134] ip (11676) used greatest stack depth: 12232 bytes left
[  570.971396] tc (15678) used greatest stack depth: 11952 bytes left
[  628.552155] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left