Network config mac rand ex

[main]
plugins=ifupdown,keyfile

[ifupdown]
managed=false

[device]
# wifi.scan-rand-mac-address=no

[device-mac-randomization]
# "yes" is already the default for scanning
wifi.scan-generate-mac-address-mask=FE:FF:FF:00:00:00 40:A6:D9:00:00:00
wifi.scan-rand-mac-address=yes

[connection-mac-randomization]
ethernet.generate-mac-address-mask=FE:FF:FF:00:00:00 40:A6:D9:00:00:00
ethernet.cloned-mac-address=random
wifi.generate-mac-address-mask=FE:FF:FF:00:00:00 40:A6:D9:00:00:00
wifi.cloned-mac-address=random
#wifi.assigned-mac-address=stable