[    2.164388] ip (258) used greatest stack depth: 12392 bytes left
[    2.623773] ip (289) used greatest stack depth: 12344 bytes left
[    9.715530] ip (912) used greatest stack depth: 12192 bytes left
[   56.877955] netem: version 1.3
[  634.630325] tc (15594) used greatest stack depth: 11936 bytes left
[  699.165589] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left