Bug with posion

I was playing warrior and I attacked a minion with supercolider weapon, that ended in having the minion attack to an adyacent minion. Both were mechs with posion and the one attacking survived but it took damage from the other one which also had poison…
?!?!

Which minions were they? Did one or both have Divine Shield? As far as I know, the only mech with Poisonous is Venomizer. Was it magnetized to anything else? Was is perhaps silenced?

If you have screenshots or a link to a replay, that would help us figure out what happened. Otherwise, please provide as much details as you can remember. Note that to share links, instructions are available here:

Sorry I have no screenshots. None of the minions had divine shield.
The minions were… hot air balloon + venomizer
Not sure 100% if there was anything else by “magnetic” but for sure those were combined.

Sure it survived? It couldn’t have had Reborn, or a Deathrattle that resummoned it or something?

Did you see and do you remember the moment when the poison effect should have triggered? Did the poisonous icon flash without any subsequent death, or did you see that the poisonous icon didn’t flash at all when the minion dealt damage?