title: Error response from daemon: network bridge not found
body: <p>I just got these messages after starting my docker service on ubuntu 14.04, and trying to starting the postgres container.</p>
  
  <pre><code>$ docker start codeslave-postgres --&gt; starting my container
  $ Error response from daemon: network bridge not found
  $ Error: failed to start containers: codeslave-postgres
  </code></pre>
  
  <p>I was try to stop and restart docker service and also restart my machine too but it seems doesn't work enough. so what are these message means ? </p>