Fix resource-gatherer that never gathered resources from non-master machines

test/e2e/framework/resource_usage_gatherer.go

@@ -281,10 +281,12 @@ func NewResourceUsageGatherer(c *client.Client, options ResourceGathererOptions)
 					finished:             false,
 					inKubemark:           false,
 				})
+				if options.masterOnly {
 					break
 				}
 			}
 		}
+	}
 	return &g, nil
 }