O'Neil was banned from the touchline for the 5-1 thrashing.
He said: "I would say it impacts how quickly we're able to get stuff on so it's hopefully something I don't repeat and hopefully, I get to spend the rest of my managerial career down on the touchline and be able to help the players.
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It didn't have much impact on the game, but it would have been nice to be down there and move things around a little bit quicker but we need to dust ourselves down."