[    1.925664] ip (294) used greatest stack depth: 12200 bytes left
[   51.744119] netem: version 1.3
[  449.389938] ip (10768) used greatest stack depth: 12184 bytes left
[  554.383978] tc (15678) used greatest stack depth: 11952 bytes left
[  611.754796] pm_nl_ctl (18822) used greatest stack depth: 11752 bytes left