2019-06-28T05:43:26Z CRITICAL Error opening file for checksum: /var/lib/dnf/system-upgrade/fedora-f21308f6293b3270/packages/compat-libicu57-57.1-2.fc28.x86_64.rpm
2019-06-28T05:43:26Z CRITICAL Package "compat-libicu57-57.1-2.fc28.x86_64" from repository "fedora" has incorrect checksum
2019-06-28T05:43:43Z DDEBUG Cleaning up.
2019-06-28T05:43:43Z SUBDEBUG
Traceback (most recent call last):
  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 99, in _main
    return cli_run(cli, base)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 123, in cli_run
    ret = resolving(cli, base)
  File "/usr/lib/python3.6/site-packages/dnf/cli/main.py", line 154, in resolving
    base.do_transaction(display=displays)
  File "/usr/lib/python3.6/site-packages/dnf/cli/cli.py", line 221, in do_transaction
    self.download_packages(install_pkgs, self.output.progress, total_cb)
  File "/usr/lib/python3.6/site-packages/dnf/base.py", line 1063, in download_packages
    remote_pkgs, local_repository_pkgs = self._select_remote_pkgs(pkglist)
  File "/usr/lib/python3.6/site-packages/dnf/base.py", line 2345, in _select_remote_pkgs
    _('Some packages have invalid cache, but cannot be downloaded due to '
dnf.exceptions.Error: Some packages have invalid cache, but cannot be downloaded due to "--cacheonly" option
2019-06-28T05:43:43Z CRITICAL Error: Some packages have invalid cache, but cannot be downloaded due to "--cacheonly" option
2019-06-28T05:54:46Z INFO --- logging initialized ---
2019-06-28T05:54:46Z DDEBUG timer: config: 6 ms
2019-06-28T05:54:47Z DEBUG Loaded plugins: builddep, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, needs-restarting, playground, repoclosure, repograph, repomanage, reposync, system-upgrade
2019-06-28T05:54:47Z DEBUG DNF version: 2.7.5
2019-06-28T05:54:47Z DDEBUG Command: dnf makecache timer
2019-06-28T05:54:47Z DDEBUG Installroot: /
2019-06-28T05:54:47Z DDEBUG Releasever: 27
2019-06-28T05:54:47Z DEBUG cachedir: /var/cache/dnf
2019-06-28T05:54:47Z DDEBUG Base command: makecache
2019-06-28T05:54:47Z DDEBUG Extra commands: ['makecache', 'timer']
2019-06-28T05:54:47Z DEBUG Making cache files for all metadata files.
2019-06-28T05:54:47Z INFO Metadata cache refreshed recently.
2019-06-28T05:54:47Z DDEBUG Cleaning up.