FreeBSD 12 + Filebeat + netflow

Hello

I am installed beats7 by pkg on FreeBSD 12.1
But in installation missing module netflow for filebeat

Anybody know how install filebeat with netflow support on freebsd?

/usr/ports/sysutils/beats7/pkg-plist

%%METRICBEAT%%%%DATADIR%%/metricbeat/module/nats/subscriptions/_meta/docs.asciidoc
%%METRICBEAT%%%%DATADIR%%/metricbeat/module/nats/subscriptions/_meta/fields.yml
%%METRICBEAT%%%%DATADIR%%/metricbeat/module/nginx/_meta/Dockerfile
%%METRICBEAT%%%%DATADIR%%/metricbeat/module/nginx/_meta/config.reference.yml