test-port.sh

#!/bin/bash

docker run -d --name test-port -p 8000:8000 busybox sh -c "while true; do echo 'hello world'; done"

for i in {1..100}; do
  echo "restart $i"
  docker restart test-port
done

❯ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
❯ ps aux | grep docker-proxy
root     24425  0.0  0.2 196528  4720 ?        Sl   11:16   0:00 docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 8000 -container-ip 172.17.0.3 -container-port 8000