message: network::Connection. Consider Unknown errors as BROKEN_PIPE
diff: @@ -99,6 +99,7 @@ data::v_io_size Connection::write(const void *buff, v_buff_size count, async::Ac
  return data::IOError::BROKEN_PIPE;
  } else {
  //OATPP_LOGD("Connection", "write errno=%d", e);
  + return data::IOError::BROKEN_PIPE; // Consider all other errors as a broken pipe.
  }
  }
  return result;
  @@ -127,6 +128,7 @@ data::v_io_size Connection::write(const void *buff, v_buff_size count, async::Ac
  return data::IOError::BROKEN_PIPE;
  } else {
  //OATPP_LOGD("Connection", "write errno=%d", e);
  + return data::IOError::BROKEN_PIPE; // Consider all other errors as a broken pipe.
  }
  }
  return result;
  @@ -158,6 +160,7 @@ data::v_io_size Connection::read(void *buff, v_buff_size count, async::Action& a
  return data::IOError::BROKEN_PIPE;
  } else {
  //OATPP_LOGD("Connection", "write errno=%d", e);
  + return data::IOError::BROKEN_PIPE; // Consider all other errors as a broken pipe.
  }
  }
  return result;
  @@ -181,6 +184,7 @@ data::v_io_size Connection::read(void *buff, v_buff_size count, async::Action& a
  return data::IOError::BROKEN_PIPE;
  } else {
  //OATPP_LOGD("Connection", "write errno=%d", e);
  + return data::IOError::BROKEN_PIPE; // Consider all other errors as a broken pipe.
  }
  }
  return result;
  