[    1.579000] ip (254) used greatest stack depth: 12168 bytes left
[   49.666724] netem: version 1.3
[  494.425780] ip (13908) used greatest stack depth: 12120 bytes left
[  560.896401] tc (16940) used greatest stack depth: 11896 bytes left
[  617.942007] pm_nl_ctl (20241) used greatest stack depth: 11800 bytes left