[  450.390688][ T2858] netem: version 1.3
[  642.146556][ T3652] iptables (3652) used greatest stack depth: 23792 bytes left
[  664.198654][ T3772] ip (3772) used greatest stack depth: 23648 bytes left
[ 2816.574780][T18770] pm_nl_ctl (18770) used greatest stack depth: 22512 bytes left