[    1.951648] ip (265) used greatest stack depth: 12440 bytes left
[    2.084030] ip (278) used greatest stack depth: 12408 bytes left
[    2.145378] ip (284) used greatest stack depth: 12216 bytes left
[   50.879760] netem: version 1.3
[  290.607802] ip (5714) used greatest stack depth: 12200 bytes left
[  636.178824] tc (21213) used greatest stack depth: 11952 bytes left
[  693.079189] pm_nl_ctl (24354) used greatest stack depth: 11872 bytes left