(nova-libvirt)[root@bpc04 /]# virsh dumpxml 9437554e-bd39-478c-a747-b208115edfc6
<domain type='kvm' id='5'>
  <name>instance-00000053</name>
  <uuid>9437554e-bd39-478c-a747-b208115edfc6</uuid>
  <metadata>
    <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0">
      <nova:package version="18.1.0-1.el7"/>
      <nova:name>malo-test</nova:name>
      <nova:creationTime>2019-04-04 23:39:35</nova:creationTime>
      <nova:flavor name="m3.small">
        <nova:memory>8192</nova:memory>
        <nova:disk>20</nova:disk>
        <nova:swap>0</nova:swap>
        <nova:ephemeral>0</nova:ephemeral>
        <nova:vcpus>1</nova:vcpus>
      </nova:flavor>
      <nova:owner>
        <nova:user uuid="0339cdfb8b4d4721beebbad3358e217a">admin</nova:user>
        <nova:project uuid="b26819e4a8e54de1bc4575d9073183a6">admin</nova:project>
      </nova:owner>
    </nova:instance>
  </metadata>
  <memory unit='KiB'>8388608</memory>
  <currentMemory unit='KiB'>8388608</currentMemory>
  <vcpu placement='static'>1</vcpu>
  <cputune>
    <shares>1024</shares>
  </cputune>
  <resource>
    <partition>/machine</partition>
  </resource>
  <sysinfo type='smbios'>
    <system>
      <entry name='manufacturer'>RDO</entry>
      <entry name='product'>OpenStack Compute</entry>
      <entry name='version'>18.1.0-1.el7</entry>
      <entry name='serial'>37383638-3330-5a43-3239-303130355347</entry>
      <entry name='uuid'>9437554e-bd39-478c-a747-b208115edfc6</entry>
      <entry name='family'>Virtual Machine</entry>
    </system>
  </sysinfo>
  <os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.6.0'>hvm</type>
    <boot dev='hd'/>
    <smbios mode='sysinfo'/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <cpu mode='custom' match='exact' check='full'>
    <model fallback='forbid'>Skylake-Server-IBRS</model>
    <vendor>Intel</vendor>
    <topology sockets='1' cores='1' threads='1'/>
    <feature policy='require' name='ss'/>
    <feature policy='require' name='hypervisor'/>
    <feature policy='require' name='tsc_adjust'/>
    <feature policy='require' name='clflushopt'/>
    <feature policy='require' name='pku'/>
    <feature policy='require' name='stibp'/>
    <feature policy='require' name='ssbd'/>
  </cpu>
  <clock offset='utc'>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='rtc' tickpolicy='catchup'/>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <disk type='network' device='disk'>
      <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
      <auth username='cinder'>
        <secret type='ceph' uuid='7dd7b164-3b1a-4743-8105-bef0e6aa088e'/>
      </auth>
      <source protocol='rbd' name='volumes/volume-30e74c3e-ad60-4545-a574-43006750bcd2'>
        <host name='10.100.20.41' port='6789'/>
      </source>
      <target dev='vda' bus='scsi'/>
      <serial>30e74c3e-ad60-4545-a574-43006750bcd2</serial>
      <alias name='scsi0-0-0-0'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <disk type='network' device='disk'>
      <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
      <auth username='cinder'>
        <secret type='ceph' uuid='7dd7b164-3b1a-4743-8105-bef0e6aa088e'/>
      </auth>
      <source protocol='rbd' name='volumes/volume-e1c2f7db-95d9-459e-948e-b3cdde5016fb'>
        <host name='10.100.20.41' port='6789'/>
      </source>
      <target dev='sda' bus='scsi'/>
      <serial>e1c2f7db-95d9-459e-948e-b3cdde5016fb</serial>
      <encryption format='luks'>
        <secret type='passphrase' uuid='53129373-73e6-4ff6-8a35-d50f13c5d2a4'/>
      </encryption>
      <alias name='scsi0-0-0-1'/>
      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
    </disk>
    <controller type='scsi' index='0' model='virtio-scsi'>
      <alias name='scsi0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </controller>
    <controller type='usb' index='0' model='piix3-uhci'>
      <alias name='usb'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'>
      <alias name='pci.0'/>
    </controller>
    <controller type='virtio-serial' index='0'>
      <alias name='virtio-serial0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
    </controller>
    <interface type='bridge'>
      <mac address='fa:16:3e:89:5d:58'/>
      <source bridge='qbr32a910ec-24'/>
      <target dev='tap32a910ec-24'/>
      <model type='virtio'/>
      <mtu size='1500'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <serial type='pty'>
      <source path='/dev/pts/1'/>
      <log file='/var/lib/nova/instances/9437554e-bd39-478c-a747-b208115edfc6/console.log' append='off'/>
      <target type='isa-serial' port='0'>
        <model name='isa-serial'/>
      </target>
      <alias name='serial0'/>
    </serial>
    <console type='pty' tty='/dev/pts/1'>
      <source path='/dev/pts/1'/>
      <log file='/var/lib/nova/instances/9437554e-bd39-478c-a747-b208115edfc6/console.log' append='off'/>
      <target type='serial' port='0'/>
      <alias name='serial0'/>
    </console>
    <channel type='unix'>
      <source mode='bind' path='/var/lib/libvirt/qemu/org.qemu.guest_agent.0.instance-00000053.sock'/>
      <target type='virtio' name='org.qemu.guest_agent.0' state='connected'/>
      <alias name='channel0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>
    </channel>
    <input type='tablet' bus='usb'>
      <alias name='input0'/>
      <address type='usb' bus='0' port='1'/>
    </input>
    <input type='mouse' bus='ps2'>
      <alias name='input1'/>
    </input>
    <input type='keyboard' bus='ps2'>
      <alias name='input2'/>
    </input>
    <graphics type='vnc' port='5900' autoport='yes' listen='10.100.30.44'>
      <listen type='address' address='10.100.30.44'/>
    </graphics>
    <video>
      <model type='cirrus' vram='16384' heads='1' primary='yes'/>
      <alias name='video0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <stats period='10'/>
      <alias name='balloon0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </memballoon>
  </devices>
  <seclabel type='dynamic' model='dac' relabel='yes'>
    <label>+42436:+42436</label>
    <imagelabel>+42436:+42436</imagelabel>
  </seclabel>
</domain>


After hard reboot

(nova-libvirt)[root@bpc04 /]# virsh dumpxml 9437554e-bd39-478c-a747-b208115edfc6
<domain type='kvm' id='6'>
  <name>instance-00000053</name>
  <uuid>9437554e-bd39-478c-a747-b208115edfc6</uuid>
  <metadata>
    <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0">
      <nova:package version="18.1.0-1.el7"/>
      <nova:name>malo-test</nova:name>
      <nova:creationTime>2019-04-04 23:50:59</nova:creationTime>
      <nova:flavor name="m3.small">
        <nova:memory>8192</nova:memory>
        <nova:disk>20</nova:disk>
        <nova:swap>0</nova:swap>
        <nova:ephemeral>0</nova:ephemeral>
        <nova:vcpus>1</nova:vcpus>
      </nova:flavor>
      <nova:owner>
        <nova:user uuid="0339cdfb8b4d4721beebbad3358e217a">admin</nova:user>
        <nova:project uuid="b26819e4a8e54de1bc4575d9073183a6">admin</nova:project>
      </nova:owner>
    </nova:instance>
  </metadata>
  <memory unit='KiB'>8388608</memory>
  <currentMemory unit='KiB'>8388608</currentMemory>
  <vcpu placement='static'>1</vcpu>
  <cputune>
    <shares>1024</shares>
  </cputune>
  <resource>
    <partition>/machine</partition>
  </resource>
  <sysinfo type='smbios'>
    <system>
      <entry name='manufacturer'>RDO</entry>
      <entry name='product'>OpenStack Compute</entry>
      <entry name='version'>18.1.0-1.el7</entry>
      <entry name='serial'>37383638-3330-5a43-3239-303130355347</entry>
      <entry name='uuid'>9437554e-bd39-478c-a747-b208115edfc6</entry>
      <entry name='family'>Virtual Machine</entry>
    </system>
  </sysinfo>
  <os>
    <type arch='x86_64' machine='pc-i440fx-rhel7.6.0'>hvm</type>
    <boot dev='hd'/>
    <smbios mode='sysinfo'/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <cpu mode='custom' match='exact' check='full'>
    <model fallback='forbid'>Skylake-Server-IBRS</model>
    <vendor>Intel</vendor>
    <topology sockets='1' cores='1' threads='1'/>
    <feature policy='require' name='ss'/>
    <feature policy='require' name='hypervisor'/>
    <feature policy='require' name='tsc_adjust'/>
    <feature policy='require' name='clflushopt'/>
    <feature policy='require' name='pku'/>
    <feature policy='require' name='stibp'/>
    <feature policy='require' name='ssbd'/>
  </cpu>
  <clock offset='utc'>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='rtc' tickpolicy='catchup'/>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <disk type='network' device='disk'>
      <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
      <auth username='cinder'>
        <secret type='ceph' uuid='7dd7b164-3b1a-4743-8105-bef0e6aa088e'/>
      </auth>
      <source protocol='rbd' name='volumes/volume-e1c2f7db-95d9-459e-948e-b3cdde5016fb'>
        <host name='10.100.20.41' port='6789'/>
      </source>
      <target dev='sda' bus='scsi'/>
      <serial>e1c2f7db-95d9-459e-948e-b3cdde5016fb</serial>
      <encryption format='luks'>
        <secret type='passphrase' uuid='c2a33265-c556-4b53-ab61-b376ab74468c'/>
      </encryption>
      <alias name='scsi0-0-0-1'/>
      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
    </disk>
    <disk type='network' device='disk'>
      <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
      <auth username='cinder'>
        <secret type='ceph' uuid='7dd7b164-3b1a-4743-8105-bef0e6aa088e'/>
      </auth>
      <source protocol='rbd' name='volumes/volume-30e74c3e-ad60-4545-a574-43006750bcd2'>
        <host name='10.100.20.41' port='6789'/>
      </source>
      <target dev='vda' bus='scsi'/>
      <serial>30e74c3e-ad60-4545-a574-43006750bcd2</serial>
      <alias name='scsi0-0-0-0'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <controller type='scsi' index='0' model='virtio-scsi'>
      <alias name='scsi0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </controller>
    <controller type='usb' index='0' model='piix3-uhci'>
      <alias name='usb'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'>
      <alias name='pci.0'/>
    </controller>
    <controller type='virtio-serial' index='0'>
      <alias name='virtio-serial0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
    </controller>
    <interface type='bridge'>
      <mac address='fa:16:3e:89:5d:58'/>
      <source bridge='qbr32a910ec-24'/>
      <target dev='tap32a910ec-24'/>
      <model type='virtio'/>
      <mtu size='1500'/>
      <alias name='net0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <serial type='pty'>
      <source path='/dev/pts/1'/>
      <log file='/var/lib/nova/instances/9437554e-bd39-478c-a747-b208115edfc6/console.log' append='off'/>
      <target type='isa-serial' port='0'>
        <model name='isa-serial'/>
      </target>
      <alias name='serial0'/>
    </serial>
    <console type='pty' tty='/dev/pts/1'>
      <source path='/dev/pts/1'/>
      <log file='/var/lib/nova/instances/9437554e-bd39-478c-a747-b208115edfc6/console.log' append='off'/>
      <target type='serial' port='0'/>
      <alias name='serial0'/>
    </console>
    <channel type='unix'>
      <source mode='bind' path='/var/lib/libvirt/qemu/org.qemu.guest_agent.0.instance-00000053.sock'/>
      <target type='virtio' name='org.qemu.guest_agent.0' state='disconnected'/>
      <alias name='channel0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>
    </channel>
    <input type='tablet' bus='usb'>
      <alias name='input0'/>
      <address type='usb' bus='0' port='1'/>
    </input>
    <input type='mouse' bus='ps2'>
      <alias name='input1'/>
    </input>
    <input type='keyboard' bus='ps2'>
      <alias name='input2'/>
    </input>
    <graphics type='vnc' port='5900' autoport='yes' listen='10.100.30.44'>
      <listen type='address' address='10.100.30.44'/>
    </graphics>
    <video>
      <model type='cirrus' vram='16384' heads='1' primary='yes'/>
      <alias name='video0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <stats period='10'/>
      <alias name='balloon0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </memballoon>
  </devices>
  <seclabel type='dynamic' model='dac' relabel='yes'>
    <label>+42436:+42436</label>
    <imagelabel>+42436:+42436</imagelabel>
  </seclabel>
</domain>