Frequent "forum software has been updated" messages

[xargs1]

I keep a tab open to this forum, and many times a day I get a notification on that tab that the forum software has been updated. Is it really getting updated that often, or is this a bug?

[tekojo]

@xargs1 actually neither.

We had a server malfunctioning on the weekend, it was crashing at regular intervals. And as we are running a clustered setup for the forum, every time the server went down traffic from that node went to the other nodes, and that looks like an update (taken offline, and brought back somewhere else) to the forum software.

Sometimes the load balancer does the same trick and you get the message if you keep a window open long enough.
But the message is completely harmless.