Changelog for kmod-ixgbe-3.23.2-2.el7.elrepo.x86_64.rpm :

* Thu Mar 05 2015 Philip J Perry - 3.23.2-2- Rebuilt against RHEL 7.1 kernel
* Mon Dec 29 2014 Alan Bartlett - 3.23.2-1- Updated to version 3.23.2
* Sat Oct 04 2014 Alan Bartlett - 3.22.3-1- Updated to version 3.22.3
* Fri Jun 13 2014 Alan Bartlett - 3.21.2-1- Initial el7 build of the kmod package.