[    1.725891] ip (256) used greatest stack depth: 12224 bytes left
[   50.054675] netem: version 1.3
[   81.956565] ip (3454) used greatest stack depth: 12176 bytes left
[  545.040346] tc (15681) used greatest stack depth: 11928 bytes left
[  601.595407] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left