#virt-install --help | grep "-r"

Usage: grep [OPTION]... PATTERNS [FILE]...
Try 'grep --help' for more information.
  File "/usr/bin/virt-install", line 8, in <module>
    virtinstall.runcli()
  File "/usr/share/virt-manager/virtinst/virtinstall.py", line 1241, in runcli
    fail(main_e)
  File "/usr/share/virt-manager/virtinst/cli.py", line 256, in fail
    log.debug("".join(traceback.format_stack()))

[Errno 32] Broken pipe

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtinst/virtinstall.py", line 1234, in runcli
    sys.exit(main())
  File "/usr/share/virt-manager/virtinst/virtinstall.py", line 1186, in main
    options = parse_args()
  File "/usr/share/virt-manager/virtinst/virtinstall.py", line 1144, in parse_args
    return parser.parse_args()
  File "/usr/lib64/python3.9/argparse.py", line 1825, in parse_args
    args, argv = self.parse_known_args(args, namespace)
  File "/usr/lib64/python3.9/argparse.py", line 1858, in parse_known_args
    namespace, args = self._parse_known_args(args, namespace)
  File "/usr/lib64/python3.9/argparse.py", line 2067, in _parse_known_args
    start_index = consume_optional(start_index)
  File "/usr/lib64/python3.9/argparse.py", line 2007, in consume_optional
    take_action(action, args, option_string)
  File "/usr/lib64/python3.9/argparse.py", line 1935, in take_action
    action(self, namespace, argument_values, option_string)
  File "/usr/lib64/python3.9/argparse.py", line 1099, in {_}{{_}}call{{_}}{_}
    parser.print_help()
  File "/usr/lib64/python3.9/argparse.py", line 2555, in print_help
    self._print_message(self.format_help(), file)
  File "/usr/lib64/python3.9/argparse.py", line 2561, in _print_message
    file.write(message)
BrokenPipeError: [Errno 32] Broken pipe
h3.