qemu-system-x86_64 -enable-kvm -m 4096 -cpu host,kvm=off \
-M q35 \
-smp cores=2,threads=2 \
-bios /usr/share/edk2/x64/OVMF_CODE.fd \
-device vfio-pci,host=01:00.0 \
-device vfio-pci,host=01:00.1 \
-usb -device usb-host,vendorid=0x0000,productid=0x0000 \
-rtc base=localtime \
-hda image.qcow2 \
-boot menu=on \
-cdrom win7.iso