Your package virglrenderer failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=10155929 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
Created attachment 1048438 [details] build.log
Created attachment 1048439 [details] root.log
Created attachment 1048440 [details] state.log
fixed in rawhide, thanks, Dave.