[    2.322808] ip (260) used greatest stack depth: 12392 bytes left
[    2.700834] ip (279) used greatest stack depth: 12344 bytes left
[   66.330833] netem: version 1.3
[  615.015899] tc (15590) used greatest stack depth: 11936 bytes left
[  678.880268] pm_nl_ctl (18726) used greatest stack depth: 11872 bytes left