Fix to improper formatting of UnhealthyRange

Signed-off-by: killianmuldoon <[email protected]>

internal/controllers/machinehealthcheck/machinehealthcheck_controller.go

@@ -270,14 +270,14 @@ func (r *Reconciler) reconcile(ctx context.Context, logger logr.Logger, cluster
 			Status:   corev1.ConditionFalse,
 			Severity: clusterv1.ConditionSeverityWarning,
 			Reason:   clusterv1.TooManyUnhealthyReason,
-			Message:  message,
+			Message:  formatPercentSign(message),
 		})
 
 		r.recorder.Eventf(
 			m,
 			corev1.EventTypeWarning,
 			EventRemediationRestricted,
-			message,
+			formatPercentSign(message),
 		)
 		errList := []error{}
 		for _, t := range append(healthy, unhealthy...) {
@@ -659,3 +659,11 @@ func (r *Reconciler) externalRemediationRequestExists(ctx context.Context, m *cl
 	}
 	return remediationReq != nil
 }
+
+func formatPercentSign(message string) string {
+	var out string
+	if strings.Contains(message, "%") {
+		out = strings.Replace(message, "%", "%%", -1)
+	}
+	return out
+}