[    1.718950] ip (258) used greatest stack depth: 12168 bytes left
[    4.180999] ip (522) used greatest stack depth: 12120 bytes left
[   53.463169] netem: version 1.3
[  580.094167] tc (16939) used greatest stack depth: 11896 bytes left
[  636.164128] pm_nl_ctl (20239) used greatest stack depth: 11864 bytes left