Using onos 2.5.7-rc3

Change-Id: I3585f0922a3b9d893b8527fbc6f2ed765ba80fc6
diff --git a/Dockerfile.voltha-onos b/Dockerfile.voltha-onos
index 2ddb18d..2c36ef1 100644
--- a/Dockerfile.voltha-onos
+++ b/Dockerfile.voltha-onos
@@ -34,7 +34,7 @@
 
 
 # Unpack and install specific apps from download stage
-FROM onosproject/onos:2.5.7-rc2 as install
+FROM onosproject/onos:2.5.7-rc3 as install
 
 # The ENV settings must be replicated below as they are not shared between stages
 ENV ONOS=/root/onos
@@ -58,7 +58,7 @@
 
 
 # Create the final image coping over the installed applications from the install stage
-FROM onosproject/onos:2.5.7-rc2
+FROM onosproject/onos:2.5.7-rc3
 
 # The ENV settings must be replicated below as they are not shared between stages
 ENV ONOS=/root/onos
diff --git a/VERSION b/VERSION
index 024a35b..7fc5a96 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.0-dev10
+5.1.0-dev11