Meeting coworkers in person, but coworker doesn’t acknowledge you. How do you feel?

So I recently met my coworkers for the first time in person. We all work remotely and I’m not in the same city as anyone. I hugged and chatted with pretty much everyone, but this one coworker who I’ve met online just like didn’t acknowledge me at all. We were even in a circle together with a few other coworkers and they didn’t say hi to me. I tried saying hi but I got interrupted. Anyway, I feel a bit weird about this situation. Am I overreacting? How would you feel or what would you do in this situation?

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