+set_config_state(struct interface *iface, enum interface_config_state s)
+{
+ iface->config_state = s;
+ if (iface->state == IFS_DOWN)
+ interface_handle_config_change(iface);
+ else
+ interface_set_down(iface);
+}
+
+static void
+interface_change_config(struct interface *if_old, struct interface *if_new)
+{
+ struct blob_attr *old_config = if_old->config;
+
+ if_old->config = if_new->config;
+ if (!if_old->config_autostart && if_new->config_autostart)
+ if_old->autostart = true;
+
+ if_old->config_autostart = if_new->config_autostart;
+ if_old->ifname = if_new->ifname;
+
+ set_config_state(if_old, IFC_RELOAD);
+ free(old_config);
+}
+
+static void