[VOL-4899] Avoid ONUs being set to unreachable after multiple unsuccessful OMCI communication attempts

Change-Id: I234fba69dfe13d014dae73168315a5733b16a7c8
diff --git a/VERSION b/VERSION
index 437459c..e70b452 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.0
+2.6.0