On Wed, 2022-07-13 at 07:57 -0500, Chris Adams via networkmanager-list
> I have my primary ethernet interface configured in a bridge in NM, so
> that I can run VMs and have them on the local network directly.  I
> needed to change the IP of the host system, but when I ran "nmcli con
> up
> br0", NM removed the VM virtual NICs from the bridge.
> Is there a way to do this differently so that wouldn't happen?  It's
> not
> a common thing of course, but something I have needed to do before.

I think this two step process might work for you:

1) update the connection to remove the old IP and add the new one, with
something like:

nmcli con <name> mod +ipv4.addresses <new IP>
nmcli con <name> mod -ipv4.addresses <old IP>

2) nmcli dev reapply <bridge interface name>


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