[    2.355394] ip (276) used greatest stack depth: 12360 bytes left
[    2.547567] ip (294) used greatest stack depth: 12344 bytes left
[   58.598172] netem: version 1.3
[  363.455825] pm_nl_ctl (6044) used greatest stack depth: 12336 bytes left
[  561.623644] ip (12360) used greatest stack depth: 12288 bytes left
[  620.578441] tc (13804) used greatest stack depth: 11936 bytes left
[  660.545789] kworker/0:1 (11) used greatest stack depth: 11928 bytes left
[  687.016172] pm_nl_ctl (16880) used greatest stack depth: 11768 bytes left