Continuing the discussion from [qubes-users] Network broken after in-place upgrade to 4.1 on x230:
@badgateway
This could be because of firmware update needed as stated in the link below
If you want to use Qubes 4.1 or newer and the integrated Ethernet port you need to update the firmware to 1.4.
https://docs.nitrokey.com/nitropad/qubes/firmware-update-1.4.html