VOL-2373: fix eid for mac bridge and reset alloc id in using spec value

Change-Id: I6efa6380865bff9e6c8777cd88df69c2c01faad4
diff --git a/python/adapters/brcm_openomci_onu/onu_tcont.py b/python/adapters/brcm_openomci_onu/onu_tcont.py
index 80e98a0..647746b 100644
--- a/python/adapters/brcm_openomci_onu/onu_tcont.py
+++ b/python/adapters/brcm_openomci_onu/onu_tcont.py
@@ -109,7 +109,7 @@
         # TODO: magic number, create a named variable
 
         try:
-            msg = TcontFrame(self.entity_id, 0xFFFF)
+            msg = TcontFrame(self.entity_id, 0xFF)
             frame = msg.set()
             self.log.debug('openomci-msg', omci_msg=msg)
             results = yield omci.send(frame)