}
	return nil
}

// validateDeviceName checks the validity of a device name.
// A device name may contain the following ASCII characters:
//   - upper- and lowercase letters ('A'-'Z', 'a'-'z')
//   - digits ('0'-'9')
//   - underscore, dash, dot, colon ('_', '-', '.', ':')
func validateDeviceName(name string) error {
	if name == "" {