[    1.458600] ip (253) used greatest stack depth: 12168 bytes left
[   48.656688] netem: version 1.3
[   93.743672] ip (3911) used greatest stack depth: 12008 bytes left
[  534.190821] tc (16940) used greatest stack depth: 11872 bytes left
[  591.439867] pm_nl_ctl (20240) used greatest stack depth: 11856 bytes left