[    2.205964] ip (288) used greatest stack depth: 12344 bytes left
[    3.604358] ip (419) used greatest stack depth: 12288 bytes left
[   53.659755] netem: version 1.3
[  583.290737] tc (15592) used greatest stack depth: 11896 bytes left
[  648.398625] pm_nl_ctl (18730) used greatest stack depth: 11872 bytes left