$ docker compose run iperf3 iperf3 -c 192.168.233.161 -l 5750

$ sysctl net.ipv4.tcp_wmem
net.ipv4.tcp_wmem = 4096        16384   4194304
$ sudo sysctl -w net.ipv4.tcp_wmem='1430 1430 1430'
$ sysctl net.ipv4.tcp_rmem
net.ipv4.tcp_rmem = 4096        131072  6291456
$ sudo sysctl -w net.ipv4.tcp_rmem='1430 1430 1430'

limit

$ sudo sysctl -w net.ipv4.tcp_wmem='1430 1430 1430'
$ sudo sysctl -w net.ipv4.tcp_rmem='1430 1430 1430'

CPU freq limit

$ echo 2500000 | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq

restore

$ sudo sysctl -w net.ipv4.tcp_wmem='4096 16384 4194304'
$ sudo sysctl -w net.ipv4.tcp_rmem='4096 131072 6291456'
$ echo 4900000 | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq