title: Error installing docker
body: <p>Installed the docker according to the instruction:</p>
  
  <p><a href="https://docs.docker.com/engine/installation/linux/docker-ee/ubuntu/#install-using-the-repository" rel="nofollow noreferrer">https://docs.docker.com/engine/installation/linux/docker-ee/ubuntu/#install-using-the-repository</a></p>
  
  <p>And i have error:</p>
  
  <pre><code>E: Unable to locate package docker-ee
  </code></pre>
  
  <p>When updating the index of packages return error:</p>
  
  <pre><code>W: Failed to fetch https://download.docker.com/linux/ubuntu/dists/trusty/InRelease  Unable to find expected entry 'stable-17.03/binary-amd64/Packages' in Release file (Wrong sources.list entry or malformed file)
  </code></pre>
  
  <p>What is this error?</p>
  
  <p>p.s </p>
  
  <pre><code>lsb_release
  Distributor ID: Ubuntu
  Description:    Ubuntu 14.04.5 LTS
  Release:    14.04
  Codename:   trusty
  
  uname -a
  Linux dev-Cherepanov 4.2.0-27-generic #32~14.04.1-Ubuntu SMP Fri Jan 22 15:32:26 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
  </code></pre>