[    1.703074] ip (254) used greatest stack depth: 12168 bytes left
[   50.822135] netem: version 1.3
[  462.697964] ip (12621) used greatest stack depth: 12120 bytes left
[  541.673834] tc (16940) used greatest stack depth: 11888 bytes left
[  599.085950] pm_nl_ctl (20240) used greatest stack depth: 11840 bytes left