Description of problem:
[RFE] Clarification of rhsm usage on redhat-virtualization-host

Version-Release number of selected component (if applicable):
redhat-virtualization-host-4.0-20161007.0.x86_64
subscription-manager: 1.17.15-1.el7
python-rhsm: 1.17.9-1.el7


How reproducible:
always

Steps to Reproduce:
1. Install redhat-virtualization-host-4.0-20161007.0.x86_64.
2. Register and auto-attach rhv against stage candlepin:
[root@hp-z220-15 ~]# subscription-manager  register --auto-attach
Registering to: subscription.rhsm.stage.redhat.com:443/subscription
Username: new_test
Password: 
The system has been registered with ID: 7aa0d64b-3844-41b6-ba0a-547c534fb944 

Installed Product Current Status:
Product Name: Red Hat Enterprise Linux Server
Status:       Subscribed

Product Name: Red Hat Virtualization Host
Status:       Subscribed


3. Execute some entitlement functions:
1) 

[root@hp-z220-15 ~]# subscription-manager  release --show
Release not set

[root@hp-z220-15 ~]# subscription-manager  release --list
No release versions available, please check subscriptions.

2)

[root@hp-z220-15 ~]# yum repolist
Loaded plugins: imgbased-warning, product-id, search-disabled-repos, subscription-manager
Warning: yum operations are not persisted across upgrades!
repolist: 0

[root@hp-z220-15 ~]# subscription-manager repos --list
Repositories disabled by configuration.

[root@hp-z220-15 ~]# subscription-manager repo-override --list
Repositories disabled by configuration.
This system does not have any content overrides applied to it.


Actual results:
As step 3. No clear clarification explains that these scenarios are not fit for rhv.

Expected results:
A clarification of rhsm usage should prompts for rhv, like 'This is a rhv system which does not support this module'

Additional info: