[    1.948038] ip (372) used greatest stack depth: 12168 bytes left
[   16.798566] ip (1692) used greatest stack depth: 12008 bytes left
[   31.103204] ip (2936) used greatest stack depth: 11960 bytes left
[   51.166465] netem: version 1.3
[   68.397004] ip (4673) used greatest stack depth: 11936 bytes left
[  556.695965] pm_nl_ctl (24828) used greatest stack depth: 11856 bytes left