[  533.967458][ T5346] netem: version 1.3
[  560.228488][ T5550] ip (5550) used greatest stack depth: 23776 bytes left
[ 2037.324898][T17592] ip (17592) used greatest stack depth: 23360 bytes left
[ 2673.225354][T24610] ip (24610) used greatest stack depth: 23264 bytes left
[ 3018.319835][T29007] pm_nl_ctl (29007) used greatest stack depth: 22768 bytes left