Why all my Ubuntu 22.04.1 LTS sees the network adapter as DOWN is a mystery for soon a month now 
--> FOUND the fix !!!
This post helped me : https://askubuntu.com/questions/1425212/ubuntu-22-04-network-doesnt-work-until-networkmanager-restar...
"Following upgrading from 20.04 to 22.04, networking doesn't work until I issue
sudo nmcli networking on"
And after this command my network is finally UP and running in my VMs!!!