Don't send informations to Master if it is the same as sent BY Master.

slapos/slap/slap.py

@@ -488,6 +488,7 @@ class ComputerPartition(SlapDocument):
       return self._software_release_document
 
   def setConnectionDict(self, connection_dict, slave_reference=None):
+    if self.getConnectionParameterDict() != connection_dict:
       self._connection_helper.POST('/setComputerPartitionConnectionXml', {
           'computer_id': self._computer_id,
           'computer_partition_id': self._partition_id,