Description of problem:
Create a VM which has password set in cloud-init data, login the VM with its password is okay. Then change the password in cloud-init section and restart the VM, it cannot login the VM with the new password, but login with the old password is okay.

Version-Release number of selected component (if applicable):
v4.12.0

How reproducible:

Steps to Reproduce:
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Actual results:

Expected results:

Additional info: