@Override
    public String toString() {
        return toString(buf -> {
            buf.append(", questions=").append(questions);
            buf.append(", logPrefix=").append(logPrefix);
            buf.append(", attemptsSoFar=").append(attemptsSoFar);
        });
    }
Logs a warning message about an invalid record.
core/src/main/java/com/linecorp/armeria/client/endpoint/dns/DnsEndpointGroup.java