Comment 15 for bug 1652822

[PART 2]

Here some output to confirm my above statement:

* release:
$ lsb_release -cs
bionic

* df:
/dev/sda2 24G 8.0G 17G 34% /
/dev/sda1 511M 6.1M 505M 2% /boot/efi

* /etc/fstab:
# / was on /dev/sda2 during curtin installation
/dev/disk/by-uuid/9eb6f661-542a-45e5-adf9-6d93cdd5500d / xfs defaults 0 0
# /boot/efi was on /dev/sda1 during curtin installation
/dev/disk/by-uuid/6966-6E10 /boot/efi vfat defaults 0 0

* proposed pkgs:
dpkg -l | grep -i grub
ii grub-common 2.02-2ubuntu8.21 amd64 GRand Unified Bootloader (common files)
ii grub-efi-amd64 2.02-2ubuntu8.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version)
ii grub-efi-amd64-bin 2.02-2ubuntu8.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 binaries)
ii grub-efi-amd64-signed 1.93.24+2.02-2ubuntu8.21 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version, signed)
ii grub-legacy-ec2 1:1 all Handles update-grub for ec2 instances
ii grub2-common 2.02-2ubuntu8.21 amd64 GRand Unified Bootloader (common files for version 2