[    2.387225] ip (289) used greatest stack depth: 12272 bytes left
[   32.470657] ip (1560) used greatest stack depth: 12248 bytes left
[   56.207841] netem: version 1.3
[  605.882821] tc (15595) used greatest stack depth: 11896 bytes left
[  671.945668] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left