title: Local Dask worker unable to connect to local scheduler
body: <p>While running Dask 0.16.0 on OSX 10.12.6 I'm unable to connect a local <code>dask-worker</code> to a local <code>dask-scheduler</code>. I simply want to follow the official <a href="https://github.com/dask/dask-tutorial/blob/master/04_distributed.ipynb" rel="nofollow noreferrer" title="dask tutorial">Dask tutorial</a>. Steps to reproduce:</p>
  
  <p><strong>Step 1:</strong> run <code>dask-scheduler</code></p>
  
  <p><a href="https://i.stack.imgur.com/Xx0Cf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Xx0Cf.png" alt="enter image description here"></a></p>
  
  <p><strong>Step 2:</strong> Run <code>dask-worker 10.160.39.103:8786</code></p>
  
  <p><a href="https://i.stack.imgur.com/o2OD0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/o2OD0.png" alt="enter image description here"></a></p>
  
  <p>The problem seems to related to the dask scheduler and not the worker, as I'm not even able to access the port by other means (e.g., <code>nc -zv 10.160.39.103 8786</code>).</p>
  
  <p><a href="https://i.stack.imgur.com/QBCO0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QBCO0.png" alt="enter image description here"></a></p>
  
  <p>However, the process is clearly still running on the machine:</p>
  
  <p><a href="https://i.stack.imgur.com/08Iyu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/08Iyu.png" alt="enter image description here"></a></p>