[VOL-1346]  This commit addresses device discovery notifications
which will be principally used by the affinity router.  In doing so
this commit also rename the core_adapter.proto to inter_container.proto.

Change-Id: Ib2a7b84efa50367d0ffbc482fba6096a225f3150
diff --git a/python/requirements.txt b/python/requirements.txt
index a0641b2..56cb356 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -3,6 +3,7 @@
 bitstring==3.1.5
 cmd2==0.7.0
 colorama==0.3.9
+confluent-kafka==0.11.5
 cython==0.24.1
 decorator==4.1.2
 docker-py==1.10.6