[    1.977040] ip (267) used greatest stack depth: 12808 bytes left
[    2.057736] ip (276) used greatest stack depth: 12552 bytes left
[    2.137185] ip (285) used greatest stack depth: 12328 bytes left
[   52.379005] netem: version 1.3
[  342.796964] pm_nl_ctl (6795) used greatest stack depth: 12320 bytes left
[  582.299948] tc (15680) used greatest stack depth: 11952 bytes left
[  640.497447] pm_nl_ctl (18826) used greatest stack depth: 11848 bytes left