  </td>
<td>
                <p>
                  The WebSocket handshake failed.
                </p>
                <p>
                  This condition indicates that the WebSocket handshake failed. If
                  the corresponding HTTP response indicates the keep-alive behavior,
                  then the handshake may be reattempted.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <code class="computeroutput"><span class="identifier">protocol_viola