[    1.749436] ip (295) used greatest stack depth: 12232 bytes left
[   33.311421] ip (1727) used greatest stack depth: 12064 bytes left
[   47.797028] netem: version 1.3
[  615.849925] tc (21244) used greatest stack depth: 11952 bytes left
[  734.205756] pm_nl_ctl (24389) used greatest stack depth: 11736 bytes left