[    1.574934] ip (267) used greatest stack depth: 12456 bytes left
[    1.767113] ip (294) used greatest stack depth: 12248 bytes left
[   40.276219] ip (2719) used greatest stack depth: 12184 bytes left
[   46.559140] netem: version 1.3
[  614.491606] tc (21096) used greatest stack depth: 11952 bytes left
[  674.089419] pm_nl_ctl (24237) used greatest stack depth: 11576 bytes left