[    1.961063] ip (257) used greatest stack depth: 12392 bytes left
[    2.299700] ip (279) used greatest stack depth: 12344 bytes left
[   54.501939] netem: version 1.3
[  635.959446] tc (15596) used greatest stack depth: 11936 bytes left
[  702.448532] pm_nl_ctl (18732) used greatest stack depth: 11592 bytes left