vcap password not set after stemcell upgrade

Jonathan Stockley

We have been using ubuntu vsphere stemcell 3263.8 and are now attempting to upgrade a test deployment to 3363.12.
The upgrade went successfully and the application is running.
However, we cannot login to the VM using ssh vcap(a)AA.BB.CC.DD
It seems as if the vcap password has been changed.
Using 'bosh ssh app 0' is successful and checking the /etc/shadow file it show that the vcap entry's password field is '*'.

Switching back to 3263.8 and the vcap password is back.

Is this an intentional change to the stemcell?
How to we get the former behaviour?
Is this documented somewhere?


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