[    1.991978] ip (286) used greatest stack depth: 12232 bytes left
[   38.818734] ip (2101) used greatest stack depth: 12216 bytes left
[   51.532802] netem: version 1.3
[  612.569057] tc (21361) used greatest stack depth: 11952 bytes left
[  669.748443] pm_nl_ctl (24501) used greatest stack depth: 11872 bytes left