https://s3.amazonaws.com/clickhouse-test-reports/0/10dc83b7a9c18228c4a4fc0dcfe6b18d2427462e/stress_test__debug__actions_.html

I found weird exception while investigating why ephemeral nodes were not removed for a long time:
https://pastila.nl/?00ec9776/d8858e442f8453f9b9e31a2f1da3cc8b
{
    while (true)
    {
        if (shutdown_called)
            return;
        try
        {
            using namespace std::chrono_literals;
            if (!server->checkInit())
            {
                LOG_INFO(log, "Server still not initialized, will not apply configuration until initialization finished");
                std::this_thread::sleep_for(5000ms);
                continue;
            }
            if (server->isRecovering())
            {
                LOG_INFO(log, "Server is recovering, will not apply configuration until recovery is finished");
                std::this_thread::sleep_for(5000ms);
                continue;
            }
            ConfigUpdateAction action;