Description of problem (please be detailed as possible and provide log
snippests):
Uploads to route ocs-storagecluster-cephobjectstore to RGW are failing - at least for multi-part uploads with "Bad Gateway".
Testing directly against RGW pod using oc port-forward works.


Version of all relevant components (if applicable):
OCP 4.12.13 
ODF 4.12.2


Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?
Yes


Is there any workaround available to the best of your knowledge?
No viable.


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?
1


Can this issue reproducible?
- upload a larger file (1GB) to the route using aws CLI
- using OADP Restic based backup to RGW bucket


Can this issue reproduce from the UI?
no


If this is a regression, please provide more details to justify this:


Steps to Reproduce:
1. create 1-GB-file 
2. aws s3 --endpoint http://ocs-storagecluster-cephobjectstore-openshift-storage.apps.8zc6x.dynamic.opentlc.com cp 1-GB-file s3://<bucketname>
3.


Actual results:
fails after a few parts with Bad Gateway


Expected results:
multi-part uploads should succeed


Additional info:
must-gather available at https://drive.google.com/file/d/1pPfFInP4-PEfaCcpvnZcXW00qDW0ZeZw/view?usp=sharing