Comment # 8 on bug 1179971 from H���ctor Sanju���n

> I seem to have fixed that particular error with the following in 
/etc/modprobe.d/iwlwifi.conf 

>> options iwlwifi bt_coex_active=0 swcrypto=1 11n_disable=8

Does not seem to help. I did not enable bt_coex_active, as there is no BT
device nearby.

> It appears that the issue was also being complicated by some wireless interference causing "extensive data loss" errors in RouterOS, but I managed to switch to a more free channel.

I am on a very clean spectrum.