[root@clsn7 ~]# yum install libvirt* virt-* qemu-kvm* -y

[root@clsn7 ~]# virsh iface-bridge eth1 br1
使用附加设备 br1 生成桥接 eth1 失败
已启动桥接接口 br1

[root@clsn7 ~]# systemctl start libvirtd.service
[root@clsn7 ~]# systemctl enable libvirtd.service

[root@clsn7 ~]# virt-v2v -i ova centos-dev-test01-v2v.ova -o local -os /vmhost/dev/dev-test01  -of qcow2
[   0.0] Opening the source -i ova centos-dev-test01-v2v.ova
virt-v2v: warning: making OVA directory public readable to work around
libvirt bug https://bugzilla.redhat.com/1045069
[  23.1] Creating an overlay to protect the source from being modified
[  23.4] Initializing the target -o local -os /vmhost/dev/dev-test01
[  23.4] Opening the overlay
[  41.4] Inspecting the overlay
[  57.5] Checking for sufficient free disk space in the guest
[  57.5] Estimating space required on target for each disk
[  57.5] Converting CentOS release 6.9 (Final) to run on KVM
virt-v2v: This guest has virtio drivers installed.
[ 178.6] Mapping filesystem data to avoid copying unused and blank areas
[ 178.9] Closing the overlay
[ 179.4] Checking if the guest needs BIOS or UEFI to boot
[ 179.4] Assigning disks to buses
[ 179.4] Copying disk 1/1 to /vmhost/dev/dev-test01/centos-dev-test01-v2v-sda (qcow2)(100.00/100%)
[ 216.1] Creating output metadata
[ 216.1] Finishing off

[root@clsn7 dev-test01]# pwd
/vmhost/dev/dev-test01
[root@clsn7 dev-test01]# ls
centos-dev-test01-v2v-sda  centos-dev-test01-v2v.xml

[root@clsn7 dev-test01]# cat centos-dev-test01-v2v.xml
<?xml version='1.0' encoding='utf-8'?>
<domain type='kvm'><!-- generated by virt-v2v 1.36.3rhel=7,release=6.el7_4.3,libvirt --><name>centos-dev-test01-v2v</name><memory unit='KiB'>524288</memory><currentMemory unit='KiB'>524288</currentMemory><vcpu>1</vcpu><features><acpi/><apic/></features><os><type arch='x86_64'>hvm</type></os><on_poweroff>destroy</on_poweroff><on_reboot>restart</on_reboot><on_crash>restart</on_crash><devices><disk type='file' device='disk'><driver name='qemu' type='qcow2' cache='none'/><source file='/vmhost/dev/dev-test01/centos-dev-test01-v2v-sda'/><target dev='vda' bus='virtio'/></disk><disk device='cdrom' type='file'><driver name='qemu' type='raw'/><target dev='hda' bus='ide'/></disk><disk device='floppy' type='file'><driver name='qemu' type='raw'/><target dev='fda'/></disk>
    <interface type='bridge'><source bridge='br1'/><model type='virtio'/><address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/></interface><video><model type='qxl' ram='65536' heads='1'/></video><graphics type='vnc' autoport='yes' port='-1'/><input type='tablet' bus='usb'/><input type='mouse' bus='ps2'/><console type='pty'/></devices>
</domain>

[root@clsn7 dev-test01]# virsh  define centos-dev-test01-v2v.xml
定义域 centos-dev-test01-v2v（从 centos-dev-test01-v2v.xml）

[root@clsn7 dev-test01]#  virsh list --all
 Id    名称                         状态
-----------------------------------------------------     centos-dev-test01-v2v          关闭

[root@clsn7 dev-test01]#  virsh start centos-dev-test01-v2v
域 centos-dev-test01-v2v 已开始

[root@clsn7 ~]# ssh root@192.168.19.123
The authenticity of host '192.168.19.123 (192.168.19.123)' can't be established.
RSA key fingerprint is SHA256:iRmghFzgRIJy5+v8p4lqi8DyUG8F0hXR/qNdDZ2J6RY.
RSA key fingerprint is MD5:37:b8:56:3b:b7:85:fa:cb:d9:55:a7:44:d5:de:f8:d9.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.19.123' (RSA) to the list of known hosts.
root@192.168.19.123's password:
Last login: Mon Mar  5 10:30:02 2018 from 192.168.19.9
[root@dev-test01 ~]# hostname  -I
192.168.19.123

　　设置虚拟机开机自启动。

[root@clsn7 ~]# virsh autostart centos-dev-test01-v2v
域 centos-dev-test01-v2v标记为自动开始