update Dockerfile to fix Jenkins test
diff --git a/setup.py b/setup.py
index 186356c..7e00fff 100755
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,8 @@
           'docker==2.0.2',
           'requests',
           'prometheus_client',
-          'urllib3'
+          'urllib3',
+          'ipaddress'
       ],
       zip_safe=False,
       entry_points={