Your package blktap failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12807944 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124117 [details] build.log
Created attachment 1124118 [details] root.log
Created attachment 1124119 [details] state.log
This package FTBFSes, because upstream Makefile.ams append -Werror. This causes building to error-out on negligible, cosmetic issues. I am going to remove -Werror.
Patches applied to rawhide: https://koji.fedoraproject.org/koji/taskinfo?taskID=12978189