[    1.611736] ip (252) used greatest stack depth: 12168 bytes left
[    4.177242] ip (531) used greatest stack depth: 12120 bytes left
[   42.279910] ip (2773) used greatest stack depth: 12024 bytes left
[   50.046256] netem: version 1.3
[  584.279735] tc (16940) used greatest stack depth: 11896 bytes left
[  640.504284] pm_nl_ctl (20239) used greatest stack depth: 11856 bytes left