[    1.585759] ip (253) used greatest stack depth: 12168 bytes left
[   50.371808] netem: version 1.3
[  277.588624] ip (6163) used greatest stack depth: 12120 bytes left
[  555.253043] tc (16941) used greatest stack depth: 11888 bytes left
[  612.117445] pm_nl_ctl (20241) used greatest stack depth: 11784 bytes left