Description of problem: On creating a RHCOS VM, in the "Guest login credentials" the username is shown as "[".

Version-Release number of selected component (if applicable):
cnv 4.11

How reproducible:
100%

Steps to Reproduce:
1. create VM from attached yaml
2. have a look at the guest credentials in the "Console" tab
3.

Actual results:
User name: [

Expected results:
User name: coreos
or
"Ignition not supported"
or
No guest credentials shown

Additional info: