retry_dns 0 for failover setup

salt/files/minion.conf

@@ -10,6 +10,7 @@ master:
 
 {%- if minion.get('master_type', 'default') == "failover" %}
 master_type: failover
+retry_dns: 0
 master_shuffle: True
 master_alive_interval: 60
 {%- endif %}