Changelog for kmod-ndiswrapper-1.57-1.el6.elrepo.x86_64.rpm :

* Sat Mar 24 2012 Philip J Perry - 1.57-1.el6.elrepo- Update to 1.57.
* Sat Dec 10 2011 Philip J Perry - 1.57-0.1.rc1.el6.elrepo- Update to 1.57rc1.- Rebuilt against RHEL-6.2 which breaks kABI compatibility for kernel symbol per_cpu__kstat.
* Mon Nov 29 2010 Dag Wieers - 1.56-1- Initial package for RHEL6.