From Karbor documentation, endpoints should be created with
"%(project_id)s" and not with "%(tenant_id)s".
This is very important because of this commit in Karbor which is
looking for a string "project_id".
Change-Id: I8fc640891d0d58541198cc8f2e942d8db6e8d02f
Closes-Bug: #1805705