I keep getting disconnected from my games when my Internet is still connected and it just kicks me and gives me a penalty like I did it on purpose

I was playing a game of killer as oni, I was doing good and there were 2 survivors, then all of a sudden started lagging hard and disconnected randomly out of nowhere? Then when I came back, I got...

I was playing on the Trickster map as Houndmaster. I went to kick a pumpkin for a speed boost, and the game froze up, then booted me from the match. I got penalized as though I had left.