Description of problem:
Host registration takes 2 attempt using the same curl command after dmi_uuid of the satellite is changed.

Version-Release number of selected component (if applicable):
6.14.0

How reproducible:
Always

Steps to Reproduce:
1.Create a custom dmi_uuid of the satellite and update it in /etc/rhsm/facts/uuid.facts
2.Register a host with satellite, it should be registered successfully.
3.Run "subscription-manager clean" on Satellite.
4.Create another custom dmi_uuid and and update it in /etc/rhsm/facts/uuid.facts.
5.Again try to register the host.

Actual results:
The registration fails while trying Step5 but when same curl command runs again, registration is successful.

"yum-config-manager --enable <repo>\nHTTP error (422 - Unknown)" is observed when registration fails.

Expected results:
Registration should be successful in the first attempt only.

Additional info: