Fix keepalived service restarts on folsom

* backport 50b3ca29b3b6cdcaabbe48b63af95ff08e87bd1b backport
* backport b818047f1776caf9981673d9dc6cc32ba8cd8fb0 backport
* backport 53710ac14e7a92ace670149c0917a19a7bb697eb
* fix fc045