autopkgtest-buildvm-ubuntu-cloud(1) on Linux
The text 5544be9bce38, as Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Create Ubuntu cloud image based VM for autopkgtest-virt-qemu
Flags it lists
-
--cloud-image-url -
--metadata -
--no-apt-upgrade -
--post-command -
--timeout -
--userdata -
--verbose -
-v