0.3.0 of cirros is a bit old. Let's switch to
what we test in our CI jobs which currently is 0.3.2
Change-Id: I999063dc0a86335b94376409ddd559e880c54bcc
Introduce a new section in the developer documentation that
is a place to put manual testing guides. As a first testing
guide, document how to test the recent NUMA support in
libvirt using nested KVM and virtual NUMA.
Change-Id: I9b4d823b72593b0e72291f6eadef4c796efd1242