I just noticed that ubuntu-drivers-common for Bionic has stopped phasing which means users wouldn't have the version with the attribute 'system_device_specific_metapackages' available but ... there's no version of update-notifier for Bionic which has list-oem-metapackages.
I just noticed that ubuntu- drivers- common for Bionic has stopped phasing which means users wouldn't have the version with the attribute 'system_ device_ specific_ metapackages' available but ... there's no version of update-notifier for Bionic which has list-oem- metapackages.