--- networking.py.old	2008-02-12 01:18:48.000000000 +0000
+++ networking.py	2008-02-24 12:22:16.978199463 +0000
@@ -498,6 +498,7 @@
                 if not network.get("dns3") == None:
                     print "setting the third dns server..."
                     misc.WriteLine(resolv,"nameserver " + network["dns3"])
+                resolv.close()
 
             if network.get('use_static_ip') and network.get('ip'):
                 self.lock.acquire()