Disable IPv6 / / AAAA lookups

I found out that in my GCP stack, my internal DNS setup is costing more than I anticipated. Unfortunately, it seems that there's a lookup cache issue, however, if I could prevent Filebeat using IPv6 / AAAA lookups (e.g., like in Logstash I could use -Djava.net.preferIPv4Stack=true) I could avoid 1/5th of the bill.
Thank you!
P.s.: At the moment I'm more interested in solutions for Filebeat than workarounds with messing in the OS :slight_smile:

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