title: Docker pull shows "Unknown blob"
body: <p>I'm trying to pull <strong>microsoft/aspnet</strong> image. It tries to download something and shows the progress. But then it shows an error - <strong>"Unknown blob"</strong>.</p>
  
  <p><a href="https://i.stack.imgur.com/gXgR7.png" rel="noreferrer"><img src="https://i.stack.imgur.com/gXgR7.png" alt="enter image description here"></a></p>
  
  <p>How I can solve this?</p>
  
  <p>P.S. I have docker client and server v1.12.2</p>