[  494.425281][ T2849] netem: version 1.3
[  687.916595][ T3646] iptables (3646) used greatest stack depth: 23816 bytes left
[ 2652.208030][T15613] tc (15613) used greatest stack depth: 23544 bytes left
[ 3017.938842][T18766] pm_nl_ctl (18766) used greatest stack depth: 21520 bytes left