[    1.698110] ip (251) used greatest stack depth: 12168 bytes left
[    4.319382] ip (529) used greatest stack depth: 12120 bytes left
[   50.553018] netem: version 1.3
[  548.822412] tc (16942) used greatest stack depth: 11896 bytes left
[  606.106868] pm_nl_ctl (20243) used greatest stack depth: 11856 bytes left