[    2.048609] ip (285) used greatest stack depth: 12272 bytes left
[    3.920585] ip (506) used greatest stack depth: 12240 bytes left
[   50.388377] netem: version 1.3
[  543.910814] tc (15679) used greatest stack depth: 11952 bytes left
[  602.932207] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left