Description of problem:

When cloning a host in Satellite 6.9 and 6.10 (I haven't tested older versions), we immediately see this warning for the hostname field:

can't be blank and hostname can only contain lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123

The warning persists even after entering a hostname that complies with the text. It doesn't prevent the provisioning process from continuing, but at least one customer has observed that for an error message to remain on-screen when it is no longer valid can cause confusion.

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

Satellite 6.9, 6.10, possibly others

How reproducible:

100%

Steps to Reproduce:
1. clone a host in Satellite
2. enter a compliant hostname
3. observe that the error message remains

Actual results:

The error message persists even after entering a valid hostname.

Expected results:

The error message should vanish after entering a valid hostname.