What were you trying to do that didn't work?
As subject, it's failed to install netkvm driver for all win10+ guests.

Please provide the package NVR for which bug is seen:
virtiofsd-1.10.1-1.el9.x86_64
qemu-kvm-8.0.0-16.el9_3.3.x86_64
edk2-ovmf-20240214-1.el9.noarch
seabios-bin-1.16.3-2.el9.noarch
kernel-5.14.0-433.el9.x86_64
virtio-win-prewhql-0.1-255

How reproducible:
100%

Steps to reproduce
1. boot up windows vm with virtio-net-pci device.
[stdlog] -device '

{"id": "pcie-root-port-3", "port": 3, "driver": "pcie-root-port", "addr": "0x1.0x3", "bus": "pcie.0", "chassis": 4}

' \
[stdlog] -device '

{"driver": "virtio-net-pci", "mac": "9a:51:6d:69:11:8c", "id": "idHNf5OM", "netdev": "idHXcZys", "bus": "pcie-root-port-3", "addr": "0x0"}

' \
[stdlog] -netdev '

{"id": "idHXcZys", "type": "tap", "vhost": true, "vhostfd": "18", "fd": "15"}

' \
2. install netkvm driver via device manager.

Expected results
Succeed to install netkvm driver.

Actual results
Failed with "Windows found drivers for your device but encountered an error while attempting to install them"