anchor.diff:  `CF_INSTANCE_ADDR=1.2.3.4:5678`
   
   ### <a id='CF-INSTANCE-GUID'></a>CF\_INSTANCE\_GUID ###
  -The GUID of the application. Available only to instances on Diego cells.
  +The GUID of the application. Available only to instances on Diego Cells.
   
   `CF_INSTANCE_GUID=41653aa4-3a3a-486a-4431-ef258b39f042`
   
  
positive.code:   </tr>
    <tr>
      <td><code>start</code></td>
      <td>Human-readable timestamp for the time the instance was started. Not provided on Diego cells.</td>
    </tr>
    <tr>
      <td><code>started_at</code></td>
      <td>Identical to <code>start</code>. Not provided on Diego cells.</td>
    </tr>
    <tr>
      <td><code>started_at_timestamp</code></td>
      <td>Unix epoch timestamp for the time the instance was started. Not provided on Diego cells.</td>
    </tr>
    <tr>
      <td><code>state_timestamp</code></td>
      <td>Identical to <code>started_at_timestamp</code>. Not provided on Diego cells.</td>
    </tr>
    <tr>
      <td><code>uris</code></td>
  
negative.code: application to bind to, as some of them may be used by system-provided
  services that also run inside the container.
  On the DEAs, these internal and external values will be the same, but on Diego
  Cells, they may differ.
  
  `CF_INSTANCE_PORTS=[{external:61045,internal:5678},{external:61046,internal:2222}]`
  
  