[    2.581220] ip (286) used greatest stack depth: 12360 bytes left
[    3.687808] ip (382) used greatest stack depth: 12344 bytes left
[    9.033823] ip (824) used greatest stack depth: 12192 bytes left
[   55.425304] netem: version 1.3
[  599.544100] tc (13803) used greatest stack depth: 11936 bytes left
[  667.054999] pm_nl_ctl (16879) used greatest stack depth: 11848 bytes left