Given that a system administrator has initiated a configuration change via DBUS to update IP addresses or other properties on a daemon, When the administrator sends invalid IP addresses or invalid property values to the daemon, Then the daemon should not only log a warning but also return an error signal via DBUS to the system administrator indicating that invalid values were submitted, and no changes should be applied to the configuration. Definition of done: The implementation meets the acceptance criteria Unit tests and integration tests are written and pass The code is part of a build attached to an errata