[    1.405679] ip (230) used greatest stack depth: 11960 bytes left
[   16.812261] ip (1709) used greatest stack depth: 11936 bytes left
[   51.155742] netem: version 1.3
[  519.239891] tc (21113) used greatest stack depth: 11864 bytes left
[  564.529920] pm_nl_ctl (24823) used greatest stack depth: 11856 bytes left