[    1.605595] ip (255) used greatest stack depth: 12168 bytes left
[   38.724196] ip (2281) used greatest stack depth: 12120 bytes left
[   50.204206] netem: version 1.3
[  564.661895] tc (16939) used greatest stack depth: 11896 bytes left
[  621.326989] pm_nl_ctl (20239) used greatest stack depth: 11784 bytes left