[    1.993767] ip (260) used greatest stack depth: 12320 bytes left
[    2.560012] ip (300) used greatest stack depth: 12288 bytes left
[   25.189930] ip (1416) used greatest stack depth: 12144 bytes left
[   55.637264] netem: version 1.3
[  623.088137] tc (15684) used greatest stack depth: 11936 bytes left
[  751.949775] pm_nl_ctl (18835) used greatest stack depth: 11880 bytes left