[  519.989283][ T5353] netem: version 1.3
[ 1800.510661][T15290] ip (15290) used greatest stack depth: 23616 bytes left
[ 2280.773738][T20233] ip (20233) used greatest stack depth: 23264 bytes left
[ 3023.422134][T29007] pm_nl_ctl (29007) used greatest stack depth: 22336 bytes left