fix: works to install on virtual disk

docs/pxe_test/pxe_vm_lab_setup.sh

@@ -122,6 +122,7 @@ EOF
   fi
 
   echo "Creating OPNsense VM using serial image..."
+
   virt-install \
     --connect "${CONNECT_URI}" \
     --name "${VM_OPN}" \
@@ -131,11 +132,12 @@ EOF
     --os-variant "${OS_VARIANT_OPN}" \
     --graphics none \
     --noautoconsole \
-    --disk path="${disk_opn}",device=disk,bus=virtio,boot.order=1 \
-    --disk path="${OPN_IMG_PATH}",device=disk,bus=usb,readonly=on,boot.order=2 \
+    --import \
+    --disk path="${OPN_IMG_PATH}",device=disk,bus=sata,boot.order=1 \
+    --disk path="${disk_opn}",device=disk,bus=virtio,boot.order=2 \
     --network network=default,model=virtio \
     --network network="${NET_HARMONYLAN}",model=virtio \
-    --boot uefi,menu=on
+    --boot hd,menu=on
 
   echo "OPNsense VM created. Connect with: sudo virsh console ${VM_OPN}"
   echo "The VM will boot from the serial installation image."