`coreos.boot-mirror*` tests are failing for ppc64le

[Shilpi-Das1]

coreos.boot-mirror.luks

Tested on build 37.20230212.20.1
Kernel: 6.1.10-200.fc37.ppc64le

--- FAIL: coreos.boot-mirror.luks (819.03s)
    --- PASS: coreos.boot-mirror.luks/sanity-check (1.64s)
    --- FAIL: coreos.boot-mirror.luks/detach-primary (604.50s)
            boot-mirror.go:233: Failed to reboot the machine: machine "b7430414-                                                                             8f5b-4111-949d-0ef582af9f81" failed to start: ssh journalctl failed: time limit                                                                              exceeded
        cluster.go:184: "sudo mdadm --export --detail /dev/md/md-root" failed: o                                                                             utput , status ssh: handshake failed: read tcp 127.0.0.1:37540->127.0.0.1:37191:                                                                              read: connection reset by peer
FAIL, output in tmp/kola
Error: harness: test suite failed
2023-02-14T12:37:25Z cli: harness: test suite failed
error: failed to execute cmd-kola: exit status 1

From journal and console logs the system is not booting

Trying to load:  from: /pci@800000020000000/scsi@4 ... virtioblk_transfer: Access beyond end of device!

virtioblk_transfer: Access beyond end of device!

virtioblk_transfer: Access beyond end of device!

virtioblk_transfer: Access beyond end of device!

virtioblk_transfer: Access beyond end of device!


E3404: Not a bootable device!

E3407: Load failed

Attached journal and console logs
console.txt
journal.txt

[Shilpi-Das1]

qemu0 login: [ 20.802629] md/raid1:md126: Disk failure on vdb3, disabling device.
[ 20.802629] md/raid1:md126: Operation continuing on 1 devices.
[ 20.805295] md/raid1:md127: Disk failure on vdb4, disabling device.
[ 20.805295] md/raid1:md127: Operation continuing on 1 devices.
[ 25.528327] reboot: Restarting system

Earlier also it failed with similar reason
qemu0 login: [ 29.472716] md: super_written gets error=-5
[ 29.472852] md/raid1:md127: Disk failure on vdb4, disabling device.
[ 29.472852] md/raid1:md127: Operation continuing on 1 devices.
[[ 29.612529] md/raid1:md126: Disk failure on vdb3, disabling device.
[ 29.612529] md/raid1:md126: Operation continuing on 1 devices.
There are differences in earlier console logs
console (2).txt