Hello everyone, I was convinced that the problems were over, but I was wrong. As soon as I flash OpenWRT it works fine, but later the connection often freezes for a few moments, or it slows down a lot and gets worse. I enclose the system and kernel logs, of the initial flash: please advise me.
https://drive.google.com/open?id=1dHTPQfZYjzD5-CBHYAMc0vhKTCylLJbq