If you have deployed CU1 for Skype for Business, enabled Shared Line Appearance and then looked at your event viewer it most likely looks a lot like this:
So after spending a few weeks with a PSS ticket I can tell you – in the words of all Novell support pages – a Cosmetic Issue and will be addressed in the future. Was told that it won’t be in CU2 but most likely a roadmap item for CU3. We all had a belief these messages meant absolutely nothing but good to have it verified by Microsoft.