Description of problem:

'See the link description below:' but there is no link

========================================================================================= ERROR ======================================================================================
  status: 400
  reason: Bad Request
  detail: 
<?xml version="1.0" encoding="UTF-8" standalone="yes"?><usage_message><message>Request syntactically incorrect. See the link description below for the correct usage:</message></usage_message>
  ======================================================================================================================================================================================

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.send bad request, for example add user  --domain-name 'xxx' --user_name 'xxx' --expect '201-created'


Actual results:

Error message is not informative - missing link

Expected results:

Informative error message

Additional info: