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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Fri, 22 Sep 2017 13:41:44 +0200
Message-ID: <CAHmME9qPOjjtjVt-E03uz8PUs3voGDGjpJ9f8YDGbDsfBPVAqw@mail.gmail.com>
Subject: Re: Failed to give packet to userspace from peer with very poor wifi
 connection.
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Are you *positive* you don't have it reversed?

In my testing, 0.0.20170918 has the issue with "failed to give packet
to userspace", whereas current git master does _not_ have the issue.

Can you make sure that after building the new module, you're sure to
unload the previous one (rmmod)?