Not able to do mongo restore it gives error [couldn’t connect to server]

We are using percona mogodb server and operator v1.14.0
We arent able to do mongo restore it gives error [couldn’t connect to server] we have percona server in same K8 cluster and same namespace. we can ping the percona from another pod and are able to take the dump.
We have exposed server to type loadbalancer(internal lb) (rs0 [clusterip], rs0-0 [loadbalancer], rs0-1 [loadbalancer], rs0-2 [loadbalancer] )