This update filters out invalid voltha instances that still appear
in Consul member lists before their session are timed out and removed
from that list.

Change-Id: I6d5b386ec183b289b3cca1f455ab2940566c1280
diff --git a/voltha/worker.py b/voltha/worker.py
index c62c5fa..3967cce 100644
--- a/voltha/worker.py
+++ b/voltha/worker.py
@@ -160,7 +160,7 @@
                     if self.peers_map is None or self.peers_map != new_map:
                         self.coord.publish_peers_map_change(new_map)
                         self.peers_map = new_map
-                        log.debug('peer-mapping-changed', mapping=new_map)
+                        log.info('peer-mapping-changed', mapping=new_map)
 
         except Exception, e:
             log.exception('peer-track-error', e=e)