Authentication failure for 'vaptadmin' from 192.168.0.85. Status was 2

Sorry this is not supported in any way, you can either try to debug your issue or use the GCE.
Anything else to the GCE your Linux debugging and system skills are needed to bring the system up and running correctly.

You have a crypto issue and might need to debug your installation. I would look at your GnuTLS and OpenSSL libaries first.