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
Poco::Timespan(0, ZOOKEEPER_CONNECTION_TIMEOUT_MS * 1000),
                Poco::Timespan(0, operation_timeout_ms_ * 1000),
                zk_log);
        if (chroot.empty())
            LOG_TRACE(log, "Initialized, hosts: {}", fmt::join(hosts, ","));
        else
            LOG_TRACE(log, "Initialized, hosts: {}, chroot: {}", fmt::join(hosts, ","), chroot);
    }
    else if (implementation == "testkeeper")
    {
        impl = std::make_unique<Coordination::TestKeeper>(
                chroot,
                Poco::Timespan(0, operation_timeout_ms_ * 1000));
    }
    else
    {
        throw DB::Exception("Unknown implementation of coordination service: " + implementation, DB::ErrorCodes::NOT_IMPLEMENTED);
    }
    if (!chroot.empty())
    {
        
        
        
        
        
        
        
        auto future = asyncExists("/");
        auto res = future.wait_for(std::chrono::milliseconds(operation_timeout_ms));
        if (res != std::future_status::ready)