title: gRPC Name Resolution Failure
body: <p>While trying to run tensorflow-serving with docker, I am getting the following error issuing a client request using gRPC with following code:</p>
  
  <pre><code>`python client.py --server=172.17.0.2/16:9000 --image=./test_images/image2.jpg
  
  debug_error_string = "{"created":"@1551888435.208113000","description":"Failed to create subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":2267,"referenced_errors":[{"created":"@1551888435.208109000","description":"Name resolution failure","file":"src/core/ext/filters/client_channel/request_routing.cc","file_line":165,"grpc_status":14}]}"`
  </code></pre>
  
  <p>Information about my environment:</p>
  
  <blockquote>
    <p>OS: macOS virtual env.: Anaconda 3 Python 3.6 gRPC/tools 1.19</p>
  </blockquote>
  
  <p>Would you please help me in resolving the issue? </p>