title: Removing docker image errors "No such id" with a different image ID
body: <pre><code>parallels@ubuntu:~$ sudo docker images
  [sudo] password for parallels: 
  REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
  ubuntu              14.10               525b6e4a4cc8        6 days ago          194.4 MB
  &lt;none&gt;              &lt;none&gt;              4faa69f72743        6 days ago          188.3 MB
  &lt;none&gt;              &lt;none&gt;              78949b1e1cfd        3 weeks ago         194.4 MB
  &lt;none&gt;              &lt;none&gt;              2d24f826cb16        3 weeks ago         188.3 MB
  &lt;none&gt;              &lt;none&gt;              1f80e9ca2ac3        3 weeks ago         131.5 MB
  &lt;none&gt;              &lt;none&gt;              5ba9dab47459        6 weeks ago         188.3 MB
  &lt;none&gt;              &lt;none&gt;              c5881f11ded9        9 months ago        172.2 MB
  &lt;none&gt;              &lt;none&gt;              463ff6be4238        9 months ago        169.4 MB
  &lt;none&gt;              &lt;none&gt;              195eb90b5349        9 months ago        184.7 MB
  &lt;none&gt;              &lt;none&gt;              3db9c44f4520        10 months ago       183 MB
  parallels@ubuntu:~$ sudo docker rmi 4faa69f72743
  Error response from daemon: No such id: 2103b00b3fdf1d26a86aded36ae73c1c425def0f779a6e69073b3b77377df348
  2015/03/16 20:32:38 Error: failed to remove one or more images
  parallels@ubuntu:~$ 
  </code></pre>
  
  <p>Here, you can see that I've tried to remove <code>4faa69f72743</code>. However, docker insists that I am trying to remove <code>2103b00...</code>, and errors out because such image doesn't exist.</p>
  
  <p>What could possibly cause this?</p>