title: how to extract values from <bound method Server.diagnostics of <Server: ubuntu12_6>>?
body: <p>I'm using novaclient.v1_1 to get list of instances and trying to extract diagnostics of each server instance.</p>
  
  <p>code i've written</p>
  
  <pre><code>instances = nova.servers.list()
    for i in instances:
      val_list = i.diagnostics
      print val_list
  </code></pre>
  
  <p>so here i got output like this</p>
  
  <pre><code>&lt;bound method Server.diagnostics of &lt;Server: ubuntu12_6&gt;&gt;
  &lt;bound method Server.diagnostics of &lt;Server: ubuntu12_4&gt;&gt;
  &lt;bound method Server.diagnostics of &lt;Server: ubuntu12_3&gt;&gt;
  &lt;bound method Server.diagnostics of &lt;Server: ubuntu12_1&gt;&gt;
  </code></pre>
  
  <p>so how can i get full diagnostics information of each server instance?? how to extract tap interface info from this object?</p>