Have you removed/added the respective image-properties?
openstack image set --property hw_scsi_model=virtio-scsi --property hw_disk_bus=scsi --property hw_qemu_guest_agent=yes --property os_require_quiesce=yes 8a143d74-565f-47d8-b10d-0dd5842976aa
or
openstack image set --remove-property hw_scsi_model --remove-property hw_disk_bus --remove-property hw_qemu_guest_agent --remove-property os_require_quiesce 8a143d74-565f-47d8-b10d-0dd5842976aa
Have you removed/added the respective image-properties?
openstack image set --property hw_scsi_ model=virtio- scsi --property hw_disk_bus=scsi --property hw_qemu_ guest_agent= yes --property os_require_ quiesce= yes 8a143d74- 565f-47d8- b10d-0dd5842976 aa
or
openstack image set --remove-property hw_scsi_model --remove-property hw_disk_bus --remove-property hw_qemu_guest_agent --remove-property os_require_quiesce 8a143d74- 565f-47d8- b10d-0dd5842976 aa