fix(network-details): fix an issue caused by stopped containers (#1328)

app/components/network/networkController.js

@@ -40,12 +40,14 @@ function ($scope, $state, $transition$, $filter, Network, NetworkService, Contai
     var containersInNetwork = [];
     containers.forEach(function(container) {
       var containerInNetwork = network.Containers[container.Id];
+      if (containerInNetwork) {
         containerInNetwork.Id = container.Id;
         // Name is not available in Docker 1.9
         if (!containerInNetwork.Name) {
           containerInNetwork.Name = $filter('trimcontainername')(container.Names[0]);
         }
         containersInNetwork.push(containerInNetwork);
+      }
     });
     $scope.containersInNetwork = containersInNetwork;
   }