When the qpidd service starts it creates a directory /var/lib/qpidd/.qpidd If the qpid is then ensured to be absent, removing the qpidd user and then re-enabled this directory will have the wrong user id set on it and get permission denied when trying to start the service.
Related issues
Feature #32037: Disable katello-agent and infrastructure by default and allow users to enable it on new installs or disable it on upgrades
Added by Eric Helms about 3 years ago
Refs #32037: Manage /var/lib/qpidd
When the qpidd service starts it creates a directory /var/lib/qpidd/.qpidd
If the qpid is then ensured to be absent, removing the qpidd user
and then re-enabled this directory will have the wrong user id set on it
and get permission denied when trying to start the service.