[  447.346675][ T2842] netem: version 1.3
[  905.515089][ T4998] ip (4998) used greatest stack depth: 23576 bytes left
[ 1091.745619][ T5997] ip (5997) used greatest stack depth: 23336 bytes left
[ 1602.458667][ T9296] pm_nl_ctl (9296) used greatest stack depth: 23312 bytes left
[ 2792.456419][T18662] pm_nl_ctl (18662) used greatest stack depth: 21536 bytes left