Just happened to me this in ranked. Before this game, my internet was gone in champ select. I don't know how much lp is gone cause of that, I think it should be around ~3~6 so maybe thats why I only got 21 point , not 24. It's still a display bug.
Is there something you really can't do without in the client? Is Udyr displaying as a Picasso painting again? This is the place to report bugs and give suggestions for League of Legends in general!
Don't spam your suggestions or bug reports here, and follow the [Universal Rules](http://boards.euw.leagueoflegends.com/en/c/announcements-en/3eWpXbJi). While not every suggestion here will be implemented, your favourites can be voted to the top for maximum visibility!