[    1.365737] ip (217) used greatest stack depth: 12216 bytes left
[   49.556678] ip (3789) used greatest stack depth: 12208 bytes left
[   51.478482] netem: version 1.3
[   57.744881] ip (4452) used greatest stack depth: 12168 bytes left
[   64.557906] ip (4665) used greatest stack depth: 11960 bytes left
[  540.107853] pm_nl_ctl (24833) used greatest stack depth: 11856 bytes left