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
{
    std::string path_created;
    check(tryCreate(path, data, mode, path_created), path);
    return path_created;
}
Coordination::Error ZooKeeper::tryCreate(const std::string & path, const std::string & data, int32_t mode, std::string & path_created)
{
    Coordination::Error code = createImpl(path, data, mode, path_created);
    if (!(code == Coordination::Error::ZOK ||
          code == Coordination::Error::ZNONODE ||
          code == Coordination::Error::ZNODEEXISTS ||
          code == Coordination::Error::ZNOCHILDRENFOREPHEMERALS))
        throw KeeperException(code, path);
    return code;
}
Coordination::Error ZooKeeper::tryCreate(const std::string & path, const std::string & data, int32_t mode)