delete(existingMap, "cniVersion")

		plugins := make([]map[string]any, 2)
		plugins[0] = existingMap
		plugins[1] = istioMap

		newMap = map[string]any{
			"name":       "k8s-pod-network",
			"cniVersion": "0.3.1",
			"plugins":    plugins,
		}
	} else {
		// Assume it is a network list file
		newMap = existingMap
		plugins, err := util.GetPlugins(newMap)
		if err != nil {