Could you please attach the contents of the files in /run/systemd/network/ before you run 'netplan apply'? We need to see what was generated at boot that makes it such that networkd doesn't want to manage these devices.
Could you please attach the contents of the files in /run/systemd/ network/ before you run 'netplan apply'? We need to see what was generated at boot that makes it such that networkd doesn't want to manage these devices.