I was sharpening my petty and I got relatively nice and sharp edge. While I was doing the paper test I notices that at one point the knife gets stuck little bit, nothing much, but I decided to look under the pocket microscope. Here is the result - pics below. The knife was finished on 8K Imanishi stone with microbevel (the reflective part in last pic is the micro-bevel). This irregular pattern is about 1cm (0.4 inch) long. Other part of the bevel is smooth.
Does anybody knows what is this? And if it's "bad" how to avoid it in future?
Pics of the same spot more or less with diff lighting: