Description of problem:

During scheduled backup, CSI backup every 5 minutes, 1 ns with 10 pods, 
Velero pod was restarted after 15hours.

Velero log:
panic: runtime error: index out of range [43] with length 30

Before the Velero was restarted, backups failed for 3:15 hrs. ( Total 40 backups).

The backups were failed with "rpc error: code = Unavailable desc = error reading from server: EOF"

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

OCP 4.5.11
ODF 4.15.4
OADP 1.4.0-13 

How reproducible:

Steps to Reproduce:
1. Create NS with pods 
2. Run schedule backup, set to every 5 min
3. check Velero pod 

Actual results:

Velero pod restarted

Expected results:

No restart

Additional info:

Before the Velero was restarted, backups failed for 3:15 hrs. ( Total 40 backups).

The backups were failed with "rpc error: code = Unavailable desc = error reading from server: EOF"