[    1.655858] ip (252) used greatest stack depth: 12168 bytes left
[    4.256400] ip (531) used greatest stack depth: 12120 bytes left
[   61.807299] netem: version 1.3
[  585.619847] tc (16939) used greatest stack depth: 11896 bytes left
[  641.260027] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left