[    2.697188] ip (287) used greatest stack depth: 12272 bytes left
[   61.398112] netem: version 1.3
[  258.166089] ip (5060) used greatest stack depth: 12144 bytes left
[  642.986429] tc (15590) used greatest stack depth: 11936 bytes left
[  709.006269] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left