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Unable to port forward with iptables


I have created a "ubuntu-xenial - LXC" antlet that is using a bridge network. I'm trying forward port 80 to 8080 on that interface (eth1), but I keep getting the following message:

sudo iptables -t nat -A PREROUTING -i eth1 -p tcp --dport 80 -j REDIRECT --to-port 8080
iptables: No chain/target/match by that name.

I've been able to successfully use that approach on other systems/containers/vms running this same version Ubuntu, so I'm confused why it is not working here. Although I am not using Docker here, I have seen issues like this with Docker containers and thought that this may somehow be related to the antlet container. Should I be able to do this on my antlet and if so, can you clarify what I am doing wrong?