[    2.452625] ip (283) used greatest stack depth: 12288 bytes left
[    4.023214] ip (405) used greatest stack depth: 12016 bytes left
[   59.858942] netem: version 1.3
[  588.004506] tc (15686) used greatest stack depth: 11936 bytes left
[  649.049840] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left