[    2.418549] ip (278) used greatest stack depth: 12272 bytes left
[   63.690513] netem: version 1.3
[  335.572574] ip (6206) used greatest stack depth: 12248 bytes left
[  627.723002] tc (15592) used greatest stack depth: 11936 bytes left
[  693.073690] pm_nl_ctl (18728) used greatest stack depth: 11640 bytes left