[libvirt-users] Attach libvirt guest to an existing openvswitch port

Good day gentlemen. I am building a study project and trying to configure openvswitch vlans outside libvirt by means of openvswitch itself. Somehow with interface types 'bridge' and 'network', libvirt does attach domain to the existing port specified in <target dev=''/>, wiping the exixting settings and always deletes this port upon domain shutdown, thus making me loose ovs configuration. Could you, please, tell me how should I configure an interface or libvirt itself to avoid this libvirt's greedines. libvirt 2.4.0 Thak you. Ivan.