It means, D-BUS (or any message bus) is missing a group specified in its configuration file. A solution might be to just create the group.
- [arch-general] Odd message on boot David Rosenstrauch
- Re: [arch-general] Odd message on boot Aljosha Papsch
- Re: [arch-general] Odd message on boot David Rosenstrauch
- Re: [arch-general] Odd message on boot Lukas Fleischer

