Version-Release number of selected component:
dnf-1.1.7-2.fc24

Additional info:
reporter:       libreport-2.6.4
cmdline:        /usr/bin/python3 /usr/bin/dnf upgrade
executable:     /usr/bin/dnf
kernel:         4.5.0-302.fc24.x86_64
runlevel:       N 5
type:           Python3

Truncated backtrace:
ascii.py:26:decode:UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 34: ordinal not in range(128)

Traceback (most recent call last):
  File "/usr/bin/dnf", line 58, in <module>
    main.user_main(sys.argv[1:], exit_code=True)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 174, in user_main
    errcode = main(args)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 60, in main
    return _main(base, args)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 120, in _main
    ret = resolving(cli, base)
  File "/usr/lib/python3.5/site-packages/dnf/cli/main.py", line 159, in resolving
    base.plugins.run_transaction()
  File "/usr/lib/python3.5/site-packages/dnf/plugin.py", line 82, in fn
    dnf.util.mapall(operator.methodcaller(method), self.plugins)
  File "/usr/lib/python3.5/site-packages/dnf/util.py", line 157, in mapall
    return list(map(fn, *seq))
  File "/usr/lib/python3.5/site-packages/dnf-plugins/rpm_conf.py", line 47, in transaction
    rconf.run()
  File "/usr/lib/python3.5/site-packages/rpmconf/rpmconf.py", line 91, in run
    self._handle_package(pkg_hdr)
  File "/usr/lib/python3.5/site-packages/rpmconf/rpmconf.py", line 290, in _handle_package
    tmp.format(conf_file, "rpmnew"))
  File "/usr/lib/python3.5/site-packages/rpmconf/rpmconf.py", line 320, in _handle_rpmnew
    self._ls_conf_file(conf_file, other_file)
  File "/usr/lib/python3.5/site-packages/rpmconf/rpmconf.py", line 237, in _ls_conf_file
    universal_newlines=True))
  File "/usr/lib64/python3.5/subprocess.py", line 629, in check_output
    **kwargs).stdout
  File "/usr/lib64/python3.5/subprocess.py", line 698, in run
    stdout, stderr = process.communicate(input, timeout=timeout)
  File "/usr/lib64/python3.5/subprocess.py", line 1055, in communicate
    stdout = self.stdout.read()
  File "/usr/lib64/python3.5/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 34: ordinal not in range(128)

Local variables in innermost frame:
final: True
self: <encodings.ascii.IncrementalDecoder object at 0x7f16fb712668>
input: b'-rw-r--r--. 1 root root 1710 30. M\xc3\xa4r 13:46 /etc/NetworkManager/NetworkManager.conf.rpmnew\n-rw-r--r--. 1 root root  963  6. Apr 22:56 /etc/NetworkManager/NetworkManager.conf\n'