[    2.336466] ip (261) used greatest stack depth: 12432 bytes left
[    2.780938] ip (283) used greatest stack depth: 12384 bytes left
[   64.288843] netem: version 1.3
[  109.128190] ip (3497) used greatest stack depth: 12128 bytes left
[  620.596826] tc (15686) used greatest stack depth: 11936 bytes left
[  685.868939] pm_nl_ctl (18832) used greatest stack depth: 11880 bytes left