Your package flannel failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12815556 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124579 [details] build.log
Created attachment 1124580 [details] root.log
Created attachment 1124581 [details] state.log
pbrobinson's flannel-0.5.5-3.fc24 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=737801
Package has been successfully rebuild as part of https://fedorahosted.org/rel-eng/ticket/6351. *** This bug has been marked as a duplicate of bug 1304591 ***