The Wifi connection of this machine is very slow, especially noticeable when logging in to the machine via ssh.
The solution is to follow the notes on https://wiki.debian.org/rtl819x , copied here:
Devices supported by this driver may suffer from intermittent connection loss. If so, it can be made more reliable by disabling power management via module options ipsand fwlps. These can be supplied by creating a new file: