The work-around in https://bugs.launchpad.net/cloud-init/+bug/1309079/comments/5 did work as expected:
"sudo rm /boot/grub/menu.lst sudo update-grub-legacy-ec2 -y sudo apt-get dist-upgrade -qq --force-yes"
However, as I understand, the prompt will still appear when doing later upgrades.
The work-around in https:/ /bugs.launchpad .net/cloud- init/+bug/ 1309079/ comments/ 5 did work as expected:
"sudo rm /boot/grub/menu.lst grub-legacy- ec2 -y
sudo update-
sudo apt-get dist-upgrade -qq --force-yes"
However, as I understand, the prompt will still appear when doing later upgrades.