[    2.292025] ip (278) used greatest stack depth: 12344 bytes left
[   54.615867] netem: version 1.3
[   69.595495] ip (3170) used greatest stack depth: 12064 bytes left
[  595.911586] tc (15595) used greatest stack depth: 11936 bytes left
[  660.261341] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left