For the record
echo -e "Update-Manager::Never-Include-Phased-Updates;\nAPT::Get::Never-Include-Phased-Updates: True;" > /etc/apt/apt.conf.d/99phased-updates
did not change the buggy behaviour
For the record
echo -e "Update- Manager: :Never- Include- Phased- Updates; \nAPT:: Get::Never- Include- Phased- Updates: True;" > /etc/apt/ apt.conf. d/99phased- updates
did not change the buggy behaviour