@@ -735,10 +735,14 @@ func (daemon *Daemon) connectToNetwork(ctx context.Context, cfg *config.Config,

 			}

 		}

 	}()

-	ctr.NetworkSettings.Networks[nwName] = endpointConfig

 	delete(ctr.NetworkSettings.Networks, n.ID())

-

+	ctr.NetworkSettings.Networks[nwName] = endpointConfig

+	defer func() {

+		if retErr != nil {

+			delete(ctr.NetworkSettings.Networks, nwName)

+		}

+	}()

 	if err := daemon.updateEndpointNetworkSettings(cfg, ctr, n, ep); err != nil {

 		return err

 	}