title: fuse Transport endpoint is not connected
body: <p>I have a question.when I mount my fuse ,it shows that  Transport endpoint is not connected.I don't know how to solve this problem.</p>
  
  <p><strong>Here is my code.</strong></p>
  
  <pre><code>[root@localhost u_fs]# ./nl_fs /tmp/fuse
  </code></pre>