+void interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6);
+
+void interface_ip_update_start(struct interface_ip_settings *ip);
+void interface_ip_update_complete(struct interface_ip_settings *ip);
+void interface_ip_flush(struct interface_ip_settings *ip);
+void interface_ip_set_enabled(struct interface_ip_settings *ip, bool enabled);
+void interface_ip_update_metric(struct interface_ip_settings *ip, int metric);
+