With some trial and error, seems these are us-east-1 AMIs. The last one you
shared is indeed too new - this wont work. (2024-08-21).
{
"body": {
"VirtualizationType": "hvm",
"Description": "Amazon Linux AMI 2.0.20240821 x86_64 ECS HVM GP2",
"Hypervisor": "xen",
"ImageOwnerAlias":
*Something* must have changed, e.g you changed AMI, or when instances start
they now upgrade pre-installed software during cloud-init to different
versions of pre-installed tools. In future, you need to share the specific
name of the AMI, the release date and the region etc - an AMI ID on its own
i
