One would think. However, based on my experience and that of James Ronald, the deployment can deactivate even without changing any MACs, or any other hardware for that matter.
I added to this older thread because this problem is not yet fixed, and I didn’t want to scatter information about the same problem onto different threads. However, I have been doing more investigation, and have posted my findings on a new thread: Plugging a network cable into FreePBX causes deactivation
Thanks again for your comments.