Liner pin holes

Hey guys! I have a liner that was just put in 2 years ago. After opening this season, my water level started dropping. No stranger to finding holes and patching I got my goggles and started looking. I have found no less than 50 holes all along the top edge of the bottom around the pool. I have read that these can be bug holes. Does anyone have any experience with this or have any ideas how I can treat this?

I'm a confident patcher by now, but this is getting out of hand!
 
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