~ ❯❯❯ dnfu
--- Logging error ---
Traceback (most recent call last):
  File "/usr/lib64/python3.6/logging/__init__.py", line 996, in emit
    self.flush()
  File "/usr/lib64/python3.6/logging/__init__.py", line 976, in flush
    self.stream.flush()
OSError: [Errno 5] Input/output error
Call stack:
  File "/bin/dnf", line 58, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 179, in user_main
    errcode = main(args)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 64, in main
    return _main(base, args, cli_class, option_parser_class)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 95, in _main
    cli.configure(list(map(ucd, args)), option_parser())
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 837, in configure
    self._read_conf_file(opts.releasever)
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 944, in _read_conf_file
    self.base._logging._setup_from_dnf_conf(conf)
  File "/usr/lib/python3.6/site-packages/dnf/logging.py", line 170, in _setup_from_dnf_conf
    return self._setup(verbose_level_r, error_level_r, logdir)
  File "/usr/lib/python3.6/site-packages/dnf/logging.py", line 49, in swan_song
    func(self, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/dnf/logging.py", line 163, in _setup
    _paint_mark(logger_rpm)
  File "/usr/lib/python3.6/site-packages/dnf/logging.py", line 102, in _paint_mark
    logger.log(INFO, dnf.const.LOG_MARKER)
Message: '--- logging initialized ---'