My Multihome setting is binding to a local IP.
Try unchecking saving then reapplying the setting?
I’m finding I’m not having the same issue.
However a friend has reported she is reporting the same issue and I’m keen to play on her server again. So it’d be good to find what’s causing the MULTIHOME Mode binding to fail for some people and not others.
Here is a useful like to what @Multigun did to fix his connection issues when running his client on the same machine as his server: Failed to login (while dedicated server is running) @Multigun