Warm migrating a VM from Red Hat Virtualization to OpenShift Virtualization is failing with error "Unable to check extents feature on this endpoint: error sending options request"

Issue

• While warm migrating a Virtual Machine from Red Hat Virtualization(RHV) to OpenShift Virtualization using Migration Toolkit for Virtualization(MTV), the importer pod keeps restarting and following error is logged in the pod logs:

I0415 09:01:42.407679       1 imageio-datasource.go:552] Unable to check extents feature on this endpoint: error sending options request: Options "https://<rhv-host-fqdn>:54322/images/image-uuid": Service Unavailable

• The OpenShift Cluster have cluster-wide proxy configured.