Hello,
It looks like Win11 recreated a network connection.
You can fix this by using the "Network Reset" on the Network and Internet Settings page.(Settings->Network & Internet->Advanced network Settings->Network Reset)
It is recommended to backup important network configurations before performing network reset as network reset will delete all network adapter drivers and reinstall them, and other network settings will be reset to the original default settings. ( If you don't have important network configurations and virtual Ethernet cards, you can reset the network directly.)
Best Regards,
Wesley