[    1.653700] ip (254) used greatest stack depth: 12168 bytes left
[   51.653989] netem: version 1.3
[   71.856864] ip (3413) used greatest stack depth: 11976 bytes left
[  581.947137] tc (16939) used greatest stack depth: 11896 bytes left
[  642.228480] pm_nl_ctl (20238) used greatest stack depth: 11856 bytes left