message: reactor.network.Socket: Warn of asynchronous write errors.
diff: @@ -751,7 +751,10 @@ namespace elle
  this->_async_writes.pop_front();
  if (error == boost::system::errc::operation_canceled)
  return;
  + else if (error)
  // FIXME: what do with other errors ?
  + ELLE_WARN("asynchronous write error on %s: %s",
  + this, error.message());
  ELLE_TRACE_SCOPE(
  "%s: %s bytes written asynchronously", this, written);
  this->_write_mutex.release();
  