there is

xe vm-param-get param-name=networks uuid=<vm_uuid>

• or - DO try this at home and get Linux skills by doing it

I've done it on a Rock64 (which is a similar device, but slightly more powerful). It runs quite nicely on Debian arm64, although I don't not use it for production (yet).

BUT: Do not try this at home without sufficient Linux skills.

there is

xe vm-param-get param-name=networks uuid=<vm_uuid>

Works great for me, both with LVM SR and ZFS file SR!
Love it!

Just one minor issue: I can't get an old Windows XP VM to boot with Citrix legacy PV drivers. It was working with xcp-ng 7.6, but no longer with 8.0 beta. It does not have internet access, It is needed to control old hardware for which no driver for newer Windows OSes exist.