Fix log

Related to #19.

Author: dadoonet

src/main/java/org/elasticsearch/discovery/gce/GceUnicastHostsProvider.java

@@ -226,8 +226,8 @@ public List<DiscoveryNode> buildDynamicNodes() {
                         // If user has set `es_port` metadata, we don't need to ping all ports
                         // we only limit to 1 addresses, makes no sense to ping 100 ports
                         for (int i = 0; i < addresses.length; i++) {
-                            logger.trace("adding {}, type {}, image {}, address {}, transport_address {}, status {}", name, type
-                                    , ip_private, addresses[i], status);
+                            logger.trace("adding {}, type {}, address {}, transport_address {}, status {}", name, type,
+                                    ip_private, addresses[i], status);
                             cachedDiscoNodes.add(new DiscoveryNode("#cloud-" + name + "-" + i, addresses[i], Version.CURRENT));
                         }
                     }