title: Docker returning same kernel version for 10.04 and 10.10
body: <p>I'm probably misunderstanding something.  Shouldn't the ubuntu:12.10 kernel be higher than the ubuntu:12.04 one?</p>
  
  <p><code>
  $ sudo docker run ubuntu:12.04 /bin/uname -a<br>
  Linux cb466a57b8c2 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
  </code></p>
  
  <p><code>
  $ sudo docker run ubuntu:12.10 /bin/uname -a<br>
  Linux 62aadcf4e486 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
  </code></p>
  
  <p>Here's the version info:</p>
  
  <p><code>
  $ sudo docker version<br>
  Client version: 0.5.3<br>
  Server version: 0.5.3<br>
  Go version: go1.1
  </code></p>