[PATCH] [Doc] Update 2 items in the formatdomain.rst

[Yalan Zhang]

Update the default "driver" value for hostdev interface since
the default is not "KVM" anymore(refer to "Host device
asssignment" part and by test results). And update the mac
address in one xml example.

Signed-off-by: Yalan Zhang <yalzhang at redhat.com>
---
 docs/formatdomain.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index b6a3495093..19c4aa5e2e 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -4917,9 +4917,9 @@ To use VFIO device assignment rather than traditional/legacy KVM device
 assignment (VFIO is a new method of device assignment that is compatible with
 UEFI Secure Boot), a type='hostdev' interface can have an optional ``driver``
 sub-element with a ``name`` attribute set to "vfio". To use legacy KVM device
-assignment you can set ``name`` to "kvm" (or simply omit the ``<driver>``
-element, since "kvm" is currently the default). :since:`Since 1.0.5 (QEMU and
-KVM only, requires kernel 3.6 or newer)`
+assignment you can set ``name`` to "kvm" (the default is "vfio" on systems
+where the VFIO driver is available, and "kvm" on older systems. :since:`Since
+1.1.3` (prior to that the default was always "kvm").
 
 Note that this "intelligent passthrough" of network devices is very similar to
 the functionality of a standard <hostdev> device, the difference being that this
@@ -5018,7 +5018,7 @@ directly reference an SRIOV VF device:
        <source>
          <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
        </source>
-       <mac address='00:11:22:33:44:55:66'/>
+       <mac address='00:11:22:33:44:55'/>
        <teaming type='transient' persistent='ua-backup0'/>
      </interface>
    ...
-- 
2.32.0