sd_rtnl_message *sd_rtnl_message_unref(sd_rtnl_message *m);
int sd_rtnl_message_request_dump(sd_rtnl_message *m, int dump);
+int sd_rtnl_message_is_error(sd_rtnl_message *m);
int sd_rtnl_message_get_errno(sd_rtnl_message *m);
int sd_rtnl_message_get_type(sd_rtnl_message *m, uint16_t *type);
int sd_rtnl_message_is_broadcast(sd_rtnl_message *m);