Corosync might not start after update with parse error in config: Nodes for link 0 have different IP families when short hostnames (instead of FQDNs) are used.
Workarounds listed here: https://bugzilla.redhat.com/show_bug.cgi?id=1659269

This update (python2-carbon-1.1.3-1.fc28.noarch) breaks my carbon-cache service:

carbon-cache[393]: Traceback (most recent call last):
carbon-cache[393]:   File "/usr/bin/carbon-cache", line 28, in <module>
carbon-cache[393]:     from carbon.util import run_twistd_plugin  # noqa
carbon-cache[393]: ModuleNotFoundError: No module named 'carbon'