[    2.358012] ip (289) used greatest stack depth: 12344 bytes left
[   55.700496] netem: version 1.3
[  253.810148] ip (5224) used greatest stack depth: 12192 bytes left
[  609.546888] tc (15594) used greatest stack depth: 11936 bytes left
[  676.594363] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left