VOL-3635: Change SetLogLevelRepsonse to return a single device

Change-Id: I8add799be3e5769f27a8ea583f8af0047bf507f1
diff --git a/protos/dmi/commons.proto b/protos/dmi/commons.proto
index 60fdbfd..61d6466 100644
--- a/protos/dmi/commons.proto
+++ b/protos/dmi/commons.proto
@@ -21,6 +21,7 @@
     LOGGING_ENDPOINT_ERROR = 5;
     LOGGING_ENDPOINT_PROTOCOL_ERROR = 6;
     KAFKA_ENDPOINT_ERROR = 7;
+    UNKNOWN_LOG_ENTITY = 8;
 }
 
 //Log Level