You saying that where the bearings mount in the frame is worn or the movement is within the bearings? Stupid question but are all bolts nice and tight? Also try some retainer loctite can't recall what number it is.
A: Cut the grass B: Shout at the wife/kids C: Out laws coming with dogs
D: Get out on the bike E: Eat food/drink F: Build up new bike :D ……please note not in that order.