# Set iptables rule to allow forwarding return traffic for container
if ! sudo iptables -C FORWARD -j RETURN 2> ${redirect} || ! sudo iptables -L FORWARD | awk 'NR==3' | grep RETURN 2> ${redirect}; then
sudo iptables -I FORWARD -j RETURN
# Set iptables rule to allow forwarding return traffic for container
if ! sudo iptables -C FORWARD -j RETURN 2> ${redirect} || ! sudo iptables -L FORWARD | awk 'NR==3' | grep RETURN 2> ${redirect}; then
sudo iptables -I FORWARD -j RETURN