Describe user namespaces

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   </ul>
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+<div class="slide">
+  <h1>User namespaces [3.7]</h1>
+  <ul class="incremental">
+    <li>
+      One of the last missing pieces for OpenVZ-like containers
+    </li>
+    <li>
+      Each user namespace has its own <tt>root</tt> user with
+      privileges over the users and processes in that namespace - but
+      not the whole system
+    </li>
+    <li>
+      Currently somewhat experimental, and requires filesystem
+      changes which haven't been done for NFS or XFS
+    </li>
+    <li>
+      Want to make it work?  This needs upstream work to make those
+      filesystems compatible
+    </li>
+  </ul>
+</div>
+
 <div class="slide">
   <h1>Questions?</h1>
 </div>