[    1.334841] ip (217) used greatest stack depth: 12216 bytes left
[    1.390036] ip (230) used greatest stack depth: 12008 bytes left
[    1.412670] ip (241) used greatest stack depth: 11960 bytes left
[   51.022083] netem: version 1.3
[  555.722620] pm_nl_ctl (24831) used greatest stack depth: 11856 bytes left