Comment 20 for bug 1881006

Finally, I forgot bionic:

AWS bionic arm64:

ubuntu@ip-172-31-6-24:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic
ubuntu@ip-172-31-6-24:~$ uname -a
Linux ip-172-31-6-24 5.4.0-1045-aws #47~18.04.1-Ubuntu SMP Tue Apr 13 16:00:48 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@ip-172-31-6-24:~$ cat /etc/fstab
LABEL=cloudimg-rootfs / ext4 defaults,discard 0 1
LABEL=UEFI /boot/efi vfat umask=0077 0 1
ubuntu@ip-172-31-6-24:~$ mount -l | grep /boot/efi
/dev/nvme0n1p15 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) [UEFI]
ubuntu@ip-172-31-6-24:~$ ls -l /boot/ | grep efi
drwx------ 3 root root 512 Jan 1 1970 efi