restore compatibility with current nsmd release

engine/nsmservercontrol.py

@@ -866,6 +866,10 @@ class NsmServerControl(object):
         elif l == 3:
             originalMessage, errorCode, answer = parameters
             logger.info(f"Got reply for {originalMessage} with code {errorCode} saying {answer}")
+            if originalMessage == "/nsm/server/add":
+                assert errorCode == 0, parameters
+                self._reactReply_nsmServerAdd(answer)
+                success = True
 
         elif l == 1:
             singleMessage = parameters[0]