+static int
+netdev_pltap_down(struct netdev_dev_pltap *dev)
+{
+ int error;
+ char *msg = NULL, *reply = NULL;
+ const size_t reply_size = 1024;
+
+ if (!netdev_pltap_finalized(dev)) {
+ return 0;
+ }
+
+ msg = xasprintf("%s\n", dev->real_name);
+ reply = (char*)xmalloc(reply_size);
+ if (!msg || !reply) {
+ VLOG_ERR("Out of memory\n");
+ error = ENOMEM;
+ goto cleanup;
+ }
+ error = vsys_transaction("vif_down", msg, reply, reply_size);
+ if (error) {
+ goto cleanup;
+ }
+ netdev_pltap_update_seq(dev);
+
+cleanup:
+ free(msg);
+ free(reply);
+
+ return error;
+}
+