Description of problem:
Sensitive information might be collected in plain text to the central logging if it is written to the serial console.

Version-Release number of selected component (if applicable):
4.14

How reproducible:
100%

Steps to Reproduce:
1. Open a VM serial console
2. Write a command that includes user and password
3. Check the Logs in the OCP UI

Actual results:
The data is shown in plain text.

Expected results:
Sensitive data should not be collected or save in plain text.

Additional info: