[    4.297613] ip (830) used greatest stack depth: 12336 bytes left
[    4.370695] ip (856) used greatest stack depth: 12120 bytes left
[   50.445052] netem: version 1.3
[   57.349649] ip (4450) used greatest stack depth: 12080 bytes left
[  529.005971] pm_nl_ctl (24826) used greatest stack depth: 11944 bytes left