[SEBA-265]

Poll for Kafka callback, flush at exit

Change-Id: I56b41f86c3df0463590682f6e6230de880fe6a4f
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 09db322..c35782a 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/chameleon
-FROM xosproject/xos-base:2.1.5
+FROM xosproject/xos-base:2.1.8
 
 # xos-base already has protoc and dependencies installed