[    1.941315] ip (267) used greatest stack depth: 12408 bytes left
[    2.189996] ip (295) used greatest stack depth: 12248 bytes left
[   49.378828] netem: version 1.3
[  578.310914] tc (15679) used greatest stack depth: 11952 bytes left
[  636.834269] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left