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
{
    auto future_result = asyncTrySyncNoThrow(path);
    if (future_result.wait_for(std::chrono::milliseconds(operation_timeout_ms)) != std::future_status::ready)
    {
        impl->finalize(fmt::format("Operation timeout on {} {}", toString(Coordination::OpNum::Sync), path));
        return Coordination::Error::ZOPERATIONTIMEOUT;
    }
    else
    {
        auto response = future_result.get();
        Coordination::Error code = response.error;
        returned_path = std::move(response.path);
        return code;
    }
}
std::string ZooKeeper::sync(const std::string & path)
{
    std::string returned_path;
    check(syncImpl(path, returned_path), path);
    return returned_path;
}
Coordination::Error ZooKeeper::trySync(const std::string & path, std::string & returned_path)
{
    return syncImpl(path, returned_path);
}
void ZooKeeper::removeChildren(const std::string & path)