audit: ignore virtual hdisk and coprocessor noise

audit/internal/collector/storage.go

@@ -91,7 +91,11 @@ func discoverStorageDevices() []lsblkDevice {
 // These have zero reported size, a generic fake serial, and a model name that
 // starts with "Virtual HDisk".
 func isVirtualBMCDisk(dev lsblkDevice) bool {
-	model := strings.ToLower(strings.TrimSpace(dev.Model))
+	return isVirtualHDiskModel(dev.Model)
+}
+
+func isVirtualHDiskModel(model string) bool {
+	model = strings.ToLower(strings.TrimSpace(model))
 	return strings.HasPrefix(model, "virtual hdisk")
 }