In a cluster setup while restarting one broker all are going down at once. V: 2.11.0

Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException$LookupException: {"errorMsg":"org.apache.pulsar.metadata.api.MetadataStoreException$NotFoundException:
ERROR org.apache.pulsar.client.impl.ClientCnx - [id: 0x23480539, L:/1ip:47740 - R:xx-pulsar-211-broker-2.xx-pulsar-211-broker.pulsar.svc.cluster.local/xx.xx.xx.xx:6650] Close connection because received internal-server error org.apache.pulsar.metadata.api.MetadataStoreException$NotFoundException: /loadbalance/brokers/xx-pulsar-211-broker-1.xx-pulsar-211-broker.pulsar.svc.cluster.local:8080