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VDI is pretty special when it comes to error messages. Some appear around failures that are unrelated and are confusing. Helpfully, there's next to no help from Google either, because they're not actually the problem.

Here's a classic:

Sep 17 02:55:39 mesa cacao[2371]: [ID 702911 daemon.warning] com.sun.vda.service.vbox.VBDesktop.getGuestProperty : Failed to get guest property '/VirtualBox/GuestInfo/Net/0/V4/IP' on [44]'Individual Desktops:localbasic 2 (73c44c38-190b-4f11-8efb-5c4726 f18f22)'.

Aha!

Failed to get guest property '/VirtualBox/GuestInfo/Net/0/V4/IP'

This happens when the VBox VM doesn't start, probably because of memory constraints or similar. Don't focus on this error message, look for the root cause.