title: Docker image load failed on mac, error is 'invalid argument'
body: <p>When I execute 'docker load file', something was wrong:</p>
  
  <p>XXXdeMacBook-Pro:~ wuxinming$ sudo docker load -i crm_mysql-0.1.tar</p>
  
  <pre><code>invalid argument
  </code></pre>
  
  <p>XXXdeMacBook-Pro:~ wuxinming$ docker version</p>
  
  <pre><code>Client:
   Version:      1.12.0-rc2
   API version:  1.24
   Go version:   go1.6.2
   Git commit:   906eacd
   Built:        Fri Jun 17 20:35:33 2016
   OS/Arch:      darwin/amd64
   Experimental: true
  
  Server:
   Version:      1.12.0-rc2
   API version:  1.24
   Go version:   go1.6.2
   Git commit:   a7119de
   Built:        Fri Jun 17 22:09:20 2016
   OS/Arch:      linux/amd64
   Experimental: true
  </code></pre>
  
  <p>The command works well on Windows and Linux, but not Mac.</p>