libvirt users - Feb 2023 - Unable to create a VM in a specific network namespace using the Domain XML descriptions and API for libvirt + QEMU over KVM

I have a system where I spawn a single libvirt daemon process in the default
network namespace.

Once the daemon is running, I create and start VMs using the virDomainDefineXML
API (defines a VM or "domain" but does not boot it) followed by the
virDomainCreate API (boot the VM).

Now, I am trying to create these VMs in generic network namespaces provided by
the user e.g., /var/run/netns/<my-network-namespace>.

While searching the libvirt documentation (i.e.,
https://libvirt.org/formatdomain.html), I couldn't find any configuration
options, which would support this network namespace specification via the domain
XML APIs.

Is there any way to accomplish this with the domain XML APIs?

If not, what's the recommended approach to allow a libvirt client to request
the libvirt server to create and boot VMs in distinct network namespaces?
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