Azure HA failover load balancer service issue

I’m using an azure load balancer service and from my understanding whenever pod0 changes status to backup and pod1 becomes active the readiness probe is supposed to update the pod label on pod1 to active=true so all client requests via load balancer should go to pod1 as it should get marked active=true and pod0 should get marked active=false. We see in a /tmp file that readiness probe is seeing that pod1 status as active but the pod label never gets updated which should happen via a curl command to the k8s api but I think that’s the part that’s not happening ?