[    2.092447] ip (260) used greatest stack depth: 12432 bytes left
[    2.544191] ip (291) used greatest stack depth: 12384 bytes left
[   57.312088] netem: version 1.3
[  352.650296] pm_nl_ctl (6800) used greatest stack depth: 12336 bytes left
[  415.185271] ip (8677) used greatest stack depth: 12104 bytes left
[  629.839156] tc (15683) used greatest stack depth: 11936 bytes left
[  696.627269] pm_nl_ctl (18827) used greatest stack depth: 11880 bytes left