Merge pull request #147 from openshift-cherrypick-robot/cherry-pick-1…

…40-to-release-4.6

[release-4.6] [release-4.7] Bug 1983124:  Keepalived- verify that unicast peers list isn't empty on master nodes

pkg/monitor/dynkeepalived.go

@@ -88,7 +88,7 @@ func doesConfigChanged(curConfig, appliedConfig *config.Node) bool {
 	// we want to apply new config to master nodes only after nodes appears in etcd, with this
 	// approach we should avoid asymetric configuration
 	if curConfig.EnableUnicast {
-		if os.Getenv("IS_BOOTSTRAP") == "no" && len(curConfig.LBConfig.Backends) == 0 {
+		if os.Getenv("IS_BOOTSTRAP") == "no" && len(curConfig.LBConfig.Backends) < 2 {
 			validConfig = false
 		}
 	}