Description of problem:
As subject

Version-Release number of selected component (if applicable):
libvirt-6.0.0-13.virtcov.el8.x86_64
qemu-kvm-4.2.0-15.module+el8.2.0+6029+618ef2ec.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Start a VM
2. Prepare a scsi disk for host.
3. Prepare a xml of scsi pr disk dest with luks format

1. cat pr.xml
   <disk type="block" device="lun">
   <driver name="qemu" type="raw"/>
   <source dev="/dev/sdc">
   <reservations managed="yes"/>
   </source>
   <target dev="sda" bus="scsi"/>
   </disk>

4. Do blockcopy

1. virsh blockcopy new sda --xml pr.xml --pivot --transient-job --verbose --wait
   error: internal error: unable to execute QEMU command 'blockdev-add': No persistent reservation manager with id 'pr-helper0'

Actual results:
As step4

Expected results:
pr-helper0 should be created for this blockcopy

Additional info: