On Tue, 2018-08-21 at 08:23 +0200, Grzegorz Duszyński wrote: > > I've applied the patch, but it does not seem to help. > Spawning second instance of hostapd causes same error as before. Ok, it was worth a try. > I don't follow why this issue would not occur with single NIC. > It's not like I am an expert in this field, but those rules should be > applied to both interfaces, right? > Both interfaces use ath10k, that should imply same code path for setting > rules. Yeah that's why I thought maybe the copy code was involved ... I guess we'll need to try to reproduce. Maybe it can be made to happen with hwsim too? johannes