Lxd bridge doesn't work with IPv4 and UFW with nftables

[tomp (Thomas Parrott)]

OK, so the interface is up though so thats good.

Next step are to resolve why DHCP isn’t working.

Take a look here to ensure its not the usual candidates preventing DHCP working:

After an Ubuntu upgrade the network stopped working

The usual steps to resolve issues like this are as follows: Confirm LXD’s dnsmasq is running and listening on your bridge’s IP (using sudo ps aux | grep dnsmasq and sudo ss -ulpn | grep dnsmasq and that nothing else is preventing LXD’s dnsmasq from listening. If you have docker running on the host check its firewall rules aren’t blocking DHCP requests to lxdbr0. See Lxd and Docker Firewall Redux - How to deal with FORWARD policy set to drop Check that you haven’t got anything else that could …