[    2.452964] ip (288) used greatest stack depth: 12272 bytes left
[   59.716951] netem: version 1.3
[  408.082606] ip (8414) used greatest stack depth: 12016 bytes left
[  621.884058] tc (15593) used greatest stack depth: 11896 bytes left
[  689.981727] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left