[    2.562677] ip (289) used greatest stack depth: 12272 bytes left
[   64.774541] netem: version 1.3
[   85.119090] ip (3154) used greatest stack depth: 12192 bytes left
[  642.028011] tc (15596) used greatest stack depth: 11936 bytes left
[  710.157956] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left