title: Why do I see Failed to fetch error while dping apt-get update
body: <p>apt-get update in my jenkins job fails wth Http404 error on pulling docker hub related repositiories</p>
  
  <pre><code>12:38:54 + uname -a
  12:38:54 Linux c612ce175fe3 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
  </code></pre>
  
  <pre><code>12:28:18 W: Failed to fetch https://apt.dockerproject.org/repo/dists/ubuntu-trusty/main/binary-amd64/Packages  HttpError404
  12:28:18 
  12:28:18 W: Failed to fetch https://apt.dockerproject.org/repo/dists/ubuntu-trusty/main/binary-i386/Packages  HttpError404
  12:28:18 
  </code></pre>