_(APPLICATION_NOT_ATTACHED, -118, "application not attached") \
_(BD_ALREADY_EXISTS, -119, "Bridge domain already exists") \
_(BD_IN_USE, -120, "Bridge domain has member interfaces") \
-_(UNSUPPORTED, -121, "Unsupported")
+_(BD_NOT_MODIFIABLE, -121, "Default bridge domain 0 can be neither deleted nor modified") \
+_(UNSUPPORTED, -122, "Unsupported")
typedef enum
{