rabbitmq nginx loadbalancing

stream {
    upstream stream_backend {
        server 'rabbitmq-1:5672' max_fails=2 fail_timeout=30s; # rabbitmq-1 private address in my network
        server 'rabbitmq-2:5672' max_fails=2 fail_timeout=30s; # rabbitmq-2 private address in my network
        server 'rabbitmq-3:5672' max_fails=2 fail_timeout=30s; # rabbitmq-3 private address in my network
    }
    log_format proxy '$remote_addr [$time_local] '
                     '$protocol $status $bytes_sent $bytes_received '
                     '$session_time "$upstream_addr" '
                     '"$upstream_bytes_sent" "$upstream_bytes_received" "$upstream_connect_time"';

    access_log  /var/log/nginx/stream.log proxy;

    server {
        listen 5672;
        proxy_connect_timeout 5s;
        # TCP traffic will be forwarded to the "stream_backend" upstream group
        proxy_pass stream_backend;
    }
}