[    2.250473] ip (279) used greatest stack depth: 12272 bytes left
[    8.375792] ip (795) used greatest stack depth: 12248 bytes left
[   18.626620] ip (1271) used greatest stack depth: 12144 bytes left
[   55.284903] netem: version 1.3
[  693.615841] pm_nl_ctl (18734) used greatest stack depth: 11872 bytes left