Unable to filter results bases on queue param for rabbitmq_queue_messages

[gitankit7]

I am trying to setup some alerts based on the rabbit MQ records count. Since past few days we have observed that providing the query like -> {job="queuing-service-int", queue="rabbitmq_queue_messages"} is not returning anything but was working fine earlier.
However passing the query like this -> {job="queuing-service-int"} returns us the results aggregated from all the MQs. So connection to rabbit MQ is fine and looks like some issue with queue option. Is there any way of passing the queue-name somehow now?