[    2.244549] ip (289) used greatest stack depth: 12272 bytes left
[    4.888747] ip (527) used greatest stack depth: 12120 bytes left
[   58.033401] netem: version 1.3
[  619.804601] tc (15595) used greatest stack depth: 11936 bytes left
[  689.012366] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left