FR_CHECK_CHANGED_CFG_STR
FR_CHECK_CHANGED_CFG_STR("outgoing-interface",
FR_CHECK_CHANGED_CFG_STR("interface",
FR_CHECK_CHANGED_CFG_STR("http-endpoint", http_endpoint, changed_str);
FR_CHECK_CHANGED_CFG_STR("tls-service-key", ssl_service_key, changed_str);
FR_CHECK_CHANGED_CFG_STR("tls-service-pem", ssl_service_pem, changed_str);
FR_CHECK_CHANGED_CFG_STR("tls-cert-bundle", tls_cert_bundle, changed_str);
FR_CHECK_CHANGED_CFG_STR("interface-automatic-ports", if_automatic_ports, changed_str);
FR_CHECK_CHANGED_CFG_STR("target-fetch-policy", target_fetch_policy, changed_str);
FR_CHECK_CHANGED_CFG_STR("nat64-prefix", nat64_prefix, changed_str);
FR_CHECK_CHANGED_CFG_STR("val-nsec3-keysize-iterations",
FR_CHECK_CHANGED_CFG_STR("dnstap-identity", dnstap_identity, changed_str);
FR_CHECK_CHANGED_CFG_STR("dnstap-version", dnstap_version, changed_str);