Set the keepAlive flag from the config parameter

redisson/src/main/java/org/redisson/connection/MasterSlaveConnectionManager.java

@@ -391,6 +391,7 @@ public class MasterSlaveConnectionManager implements ConnectionManager {
         c.setReadMode(cfg.getReadMode());
         c.setSubscriptionMode(cfg.getSubscriptionMode());
         c.setDnsMonitoringInterval(cfg.getDnsMonitoringInterval());
+        c.setKeepAlive(cfg.isKeepAlive());
 
         return c;
     }