CSI backup ,namespace with 1000 pods/pvcs failed with timeout error

Description of problem:

While running CSI backup of namespace with1000 pods - backup end with the status "PartiallyFailed ".

Error Message:
main-backup-scheduler-1000pods-every-2hrs-20220928-082124/backup-scheduler-1000pods-every-2hrs-20220928083022/backup-scheduler-1000pods-every-2hrs-20220928083022.log:time="2022-09-28T10:10:02Z" level=error msg="fail to recreate VolumeSnapshotContent snapcontent-7a455d87-5e00-42ba-b54c-3b16ba91df71: fail to retrieve VolumeSnapshotContent snapcontent-7a455d87-5e00-42ba-b54c-3b16ba91df71 info: timed out waiting for the condition" backup=openshift-adp/backup-scheduler-1000pods-every-2hrs-20220928083022 logSource="pkg/controller/backup_controller.go:985".

Also running CSI backup of namespace with 80/90/100 pods - All backups were completed.

Version-Release number of selected component (if applicable):

OCP 4.10.26

OADP 1.1.0-74 

How reproducible:

Steps to Reproduce:
1. Create ns with 1000pods
2. Run CSI backup
3. Check backup status

Actual results:

Backup failed with "PartiallyFailed" status

Expected results:

Backup passed with "completed" status

Additional info:

logs:
https://drive.google.com/drive/folders/1VxFgiILR_IlYfHhbZJEhlGuC8mid_-Iw?usp=sharing

Ran a few iterations with 10min timeout - backup completed (Using Private Velero)

upstream issue: https://github.com/vmware-tanzu/velero/issues/5416