It's very difficult to simulate the live full environment. It can be parts. Because this was the sixth time we had done this and in the previous five times there was never an indication of any issue, this was a very unique case in the way one particular manufacturer designed their system and how it handles flow control and traffic. The way it went into one mode flooded because the other mode handles traffic in a very different fashion. It was within minutes there was a complete loss.
On July 25th, 2022. See this statement in context.