Your package ettercap failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17714882 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1252028 [details] build.log
Created attachment 1252029 [details] root.log
Created attachment 1252030 [details] state.log
limb's ettercap-0.8.2-6.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=860785