I too ran up against this as I updated some custom bootable systems based on 17.04 and many of my test network dongles would not work. Took lots of time finding this solution, ie adding
[device]
wifi.scan-rand-mac-address=no
to the /etc/NetworkManager/NetworkManager.conf file.
I too ran up against this as I updated some custom bootable systems based on 17.04 and many of my test network dongles would not work. Took lots of time finding this solution, ie adding
[device] rand-mac- address= no
wifi.scan-
to the /etc/NetworkMan ager/NetworkMan ager.conf file.