Right now in IPA we completely replace /etc/sysconfig/ntp instead of just changing what we need. This caused issues with changes in the F14 package.
The f14 maintainer kindly fixed it for us but we should deal with it better.

Instead of replacing the whole file we should use python to source the OPTIONS variable from it, add what we need (-x param) and then rewrite the file with only that option changed, so that other upstream changes will not cause more issues.