[    1.567689] ip (252) used greatest stack depth: 12168 bytes left
[    2.669566] ip (393) used greatest stack depth: 12120 bytes left
[   36.578347] ip (1993) used greatest stack depth: 11944 bytes left
[   51.724418] netem: version 1.3
[  569.464259] tc (16939) used greatest stack depth: 11896 bytes left
[  631.552398] pm_nl_ctl (20239) used greatest stack depth: 11784 bytes left