[    1.985559] ip (259) used greatest stack depth: 12392 bytes left
[    2.392659] ip (288) used greatest stack depth: 12344 bytes left
[   11.798885] ip (1162) used greatest stack depth: 12064 bytes left
[   57.068292] netem: version 1.3
[  641.710034] tc (15592) used greatest stack depth: 11936 bytes left
[  709.224823] pm_nl_ctl (18731) used greatest stack depth: 11872 bytes left