docs: document bhyve e1000 support

* Add bhyve e1000 support entry to release notes
 * Update the bhyve driver page with usage sample

docs/drvbhyve.html.in

@@ -276,6 +276,21 @@ you'll need to explicitly specify 'localtime' in this case:</p>
     &lt;clock offset='localtime'/&gt;
     ...
 &lt;/domain&gt;
+</pre>
+
+<h3><a name="e1000">e1000 NIC</a></h3>
+
+<p>As of <a href="https://svnweb.freebsd.org/changeset/base/302504">r302504</a> bhyve
+supports Intel e1000 network adapter emulation. It's supported in libvirt
+<span class="since">since 3.1.0</span> and could be used as follows:</p>
+
+<pre>
+...
+    &lt;interface type='bridge'&gt;
+      &lt;source bridge='virbr0'/&gt;
+      &lt;model type='<b>e1000</b>'/&gt;
+    &lt;/interface&gt;
+...
 </pre>
 
   </body>

docs/news.xml

@@ -44,6 +44,15 @@
           openvswitch calls in the libvirtd configuration file.
         </description>
       </change>
+      <change>
+        <summary>
+          bhyve: add e1000 NIC support
+        </summary>
+        <description>
+          Add support for e1000 NIC. Previously, the only available option
+          was <code>virtio-net</code>.
+        </description>
+      </change>
     </section>
     <section title="Improvements">
       <change>