[  137.979367][ T4299] netem: version 1.3
[  356.249257][ T6850] ip (6850) used greatest stack depth: 23960 bytes left
[  454.404353][ T8170] ip (8170) used greatest stack depth: 23512 bytes left
[ 1023.095001][T24630] pm_nl_ctl (24630) used greatest stack depth: 22848 bytes left