[    2.163578] ip (267) used greatest stack depth: 12328 bytes left
[    2.433062] ip (294) used greatest stack depth: 12168 bytes left
[   76.418997] netem: version 1.3
[  625.523130] tc (20924) used greatest stack depth: 11864 bytes left
[  689.429501] pm_nl_ctl (24829) used greatest stack depth: 11800 bytes left