[  262.502396][ T2850] netem: version 1.3
[  394.016002][ T3642] iptables (3642) used greatest stack depth: 23776 bytes left
[ 1592.241567][T15673] tc (15673) used greatest stack depth: 23288 bytes left
[ 1789.282488][T18815] pm_nl_ctl (18815) used greatest stack depth: 22512 bytes left