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https://bugzilla.redhat.com/show_bug.cgi?id=1177194 When migrate a vm, we will generate a xml via qemuDomainDefFormatLive and pass this xml to target libvirtd. Libvirt will use the current network state in def->data.network.actual to generate the xml, this will make migrate failed when we set a network type guest interface use a macvtap network as a source in a vm then migrate vm to another host(which has the different macvtap network settings: different interface name, bridge name...) Add a flag check in virDomainNetDefFormat, if we set a VIR_DOMAIN_XML_MIGRATABLE flag when call virDomainNetDefFormat, we won't get the current vm interface state. Signed-off-by: Luyao Huang <lhuang@redhat.com> Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>