@Override
    public void onEviction(DnsQuestion question, @Nullable List<DnsRecord> records,
                           @Nullable UnknownHostException cause) {
        // Don't refresh the old Endpoints on eviction. The original scheduler may update them.
    }
Invoke this method at the end of the subclass constructor to initiate the queries.
core/src/main/java/com/linecorp/armeria/client/endpoint/dns/DnsEndpointGroup.java