[    1.709063] ip (285) used greatest stack depth: 12272 bytes left
[    7.458813] ip (1017) used greatest stack depth: 12208 bytes left
[   32.867264] ip (1725) used greatest stack depth: 12128 bytes left
[   46.688917] netem: version 1.3
[  542.610766] tc (15678) used greatest stack depth: 11952 bytes left
[  600.566981] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left