Changelog for nfdump-1.6.12-3.fc21.i686.rpm :
Sun Aug 17 14:00:00 2014 Fedora Release Engineering - 1.6.12-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild

Sat Jun 7 14:00:00 2014 Fedora Release Engineering - 1.6.12-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild

Sat May 3 14:00:00 2014 Denis Fateyev - 1.6.12-1
- Update to version 1.6.12

Wed Feb 5 13:00:00 2014 Denis Fateyev - 1.6.11-1
- Initial Fedora RPM release