[    5.332807] ip (632) used greatest stack depth: 12216 bytes left
[   10.383239] ip (1164) used greatest stack depth: 12136 bytes left
[   56.477198] netem: version 1.3
[  577.727754] tc (15679) used greatest stack depth: 11952 bytes left
[  635.957729] pm_nl_ctl (18822) used greatest stack depth: 11848 bytes left