I followed the test case in a virtual machine, sys_vendor of QEMU, and was able to upgrade with the dist-upgrader tarball from hirsute-proposed.
bdmurray@clean-groovy-amd64:/tmp/dist-upgrade$ cat DistUpgradeVersion.py VERSION = '21.04.12' bdmurray@clean-groovy-amd64:/tmp/dist-upgrade$ cat /sys/class/dmi/id/sys_vendor QEMU
I followed the test case in a virtual machine, sys_vendor of QEMU, and was able to upgrade with the dist-upgrader tarball from hirsute-proposed.
bdmurray@ clean-groovy- amd64:/ tmp/dist- upgrade$ cat DistUpgradeVers ion.py clean-groovy- amd64:/ tmp/dist- upgrade$ cat /sys/class/ dmi/id/ sys_vendor
VERSION = '21.04.12'
bdmurray@
QEMU