fix redirection for network connection error

networks/views.py

@@ -94,6 +94,7 @@ def network(request, compute_id, pool):
         xml = conn._XMLDesc(0)
     except libvirtError as lib_err:
         error_messages.append(lib_err)
+        return HttpResponseRedirect(reverse('networks', args=compute_id))
 
     if request.method == 'POST':
         if 'start' in request.POST: