cd /var/lib/
修改 libvirt.xml 添加 <model type='e1000' />
<interface type='bridge'>
<model type='e1000' />
<source bridge='br500'/>
<mac address='02:16:3e:7f:f8:42'/>
<filterref filter="nova-instance-instance-0000004f-02163e7ff842">
<parameter name="IP" value="192.168.123.68" />
<parameter name="DHCPSERVER" value="192.168.123.60" />
</filterref>
</interface>
保存。
virsh destroy instance-xxx
virsh undefine instance-xxx
virsh define libvirt.xml
virsh start instance-xxx