[  137.956287][ T4298] netem: version 1.3
[  211.440579][ T5026] ip (5026) used greatest stack depth: 24048 bytes left
[  600.519572][T11210] ip (11210) used greatest stack depth: 23584 bytes left
[  845.403590][T17873] ip (17873) used greatest stack depth: 23368 bytes left
[ 1066.069192][T24749] pm_nl_ctl (24749) used greatest stack depth: 22912 bytes left