news: Support to run SLIRP in a separate process in 5.8

Signed-off-by: NHan Han <hhan@redhat.com>
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>

docs/news.xml

@@ -381,6 +381,19 @@
         </description>
       </change>
     </section>
+    <section title="Improvements">
+      <change>
+        <summary>
+          qemu: Support running SLIRP networking in a separate process
+        </summary>
+        <description>
+          User can configure the slirp-helper path in <code>qemu.conf</code>.
+          It will start a slirp-helper process to provide SLIRP networking
+          when the VM is started with network interface "user". That will allow
+          stricter security policies for QEMU SLIRP network.
+        </description>
+      </change>
+    </section>
     <section title="Removed features">
       <change>
         <summary>