NetworkManager isn't installed in the base MAAS Focal image.
Are you using the default image from images.maas.io?
What cloud-init user-data are you sending to the install?
Have you modified the preseed file at all?
NetworkManager isn't installed in the base MAAS Focal image.
Are you using the default image from images.maas.io?
What cloud-init user-data are you sending to the install?
Have you modified the preseed file at all?