#!/usr/bin/env bash# The system preparation step needs to be done explicitly if running inside a# containerset -euo pipefailmodprobe overlaymodprobe ip_conntrackmodprobe br_netfiltersysctl net.bridge.bridge-nf-call-ip6tables=1sysctl net.bridge.bridge-nf-call-iptables=1sysctl net.ipv4.conf.all.route_localnet=1sysctl net.ipv4.ip_forward=1