[    1.802236] ip (285) used greatest stack depth: 12264 bytes left
[    3.695791] ip (506) used greatest stack depth: 12232 bytes left
[   50.548870] netem: version 1.3
[  580.200053] tc (15678) used greatest stack depth: 11952 bytes left
[  638.553075] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left