[    2.165001] ip (281) used greatest stack depth: 12368 bytes left
[    3.644076] ip (383) used greatest stack depth: 12352 bytes left
[   56.300575] netem: version 1.3
[  407.681802] ip (6086) used greatest stack depth: 12280 bytes left
[  615.040037] tc (11928) used greatest stack depth: 11936 bytes left