xml file:
[root@xen-host02 VM]# more haproxy00.xml
<domain type='kvm'>
  <name>haproxy00.soleks.net</name>
  <uuid>bc5a1e86-cb2c-47d9-8a45-275865b55de0</uuid>
  <memory unit='KiB'>2097152</memory>
  <currentMemory unit='KiB'>2097152</currentMemory>
  <vcpu placement='static'>2</vcpu>
  <os>
    <type arch='x86_64'>hvm</type>
    <kernel>/boot/VM/vmlinuz-2.6.32-642.1.1.el6.x86_64</kernel>
    <initrd>/boot/VM/initramfs-2.6.32-642.1.1.el6.x86_64.img</initrd>
    <cmdline>root=/dev/mapper/vg_haproxy00-vol_root rdshell console=hvc0</cmdline>
  </os>
  <clock offset='utc' adjustment='reset'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <disk type='network' device='disk'>
      <source protocol='rbd' name='vm_images/vol-haproxy00.soleks.net'>
	<host name='xen-host00' port='6789'/>
	<host name='xen-host02' port='6789'/>
        <config file='/etc/ceph/ceph.conf'/>
      </source>
      <auth username='xen'>
        <secret type='ceph' uuid='d04f63ae-df4c-42ba-9da7-2482634e858c'/>
      </auth>
      <target dev='xvda' bus='virtio'/>
    </disk>
    <interface type='bridge'>
      <mac address='00:16:3e:0a:00:00'/>
      <source bridge='br-core41'/>
    </interface>
    <interface type='bridge'>
      <mac address='00:16:3e:0a:00:01'/>
      <source bridge='br-dmz36'/>
    </interface>
    <interface type='bridge'>
      <mac address='00:16:3e:0a:00:02'/>
      <source bridge='br-core402'/>
    </interface>
    <interface type='bridge'>
      <mac address='00:16:3e:0a:00:03'/>
      <source bridge='br-core412'/>
    </interface>
    <console type='pty'>
      <target port='0'/>
    </console>
    <input type='mouse' bus='usb'/>
    <input type='keyboard' bus='usb'/>
  </devices>
</domain>

[root@xen-host02 VM]# virsh create haproxy00.xml --console
error: Failed to create domain from haproxy00.xml
error: internal error: process exited while connecting to monitor: 2016-07-02T18:38:36.211194Z qemu-system-x86_64: -drive file=rbd:vm_images/vol-haproxy00.soleks.net:id=xen:auth_supported=cephx\;none:mon_host=xen-host00\:6789\;xen-host02\:6789:conf=/etc/ceph/ceph.conf,password-secret=virtio-disk0-secret0,format=raw,if=none,id=drive-virtio-disk0: Block format 'raw' does not support the option 'password-secret'