Revert "Merge remote branch 'cros/upstream' into tempbranch2"

This reverts commit 25fc6d1f28e54c46689f12d3b93c2540ef45323a.

TBR=ericli@chromium.org

Review URL: http://codereview.chromium.org/3541002

Change-Id: Ib0165b19bfdf02264f8a6a74ddf3ae74c8c0f7df
diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py
index 135d08e..bdc9aab 100755
--- a/client/tests/kvm/kvm_vm.py
+++ b/client/tests/kvm/kvm_vm.py
@@ -235,10 +235,9 @@
             return cmd
 
         def add_nic(help, vlan, model=None, mac=None, netdev_id=None):
+            cmd = " -net nic,vlan=%d" % vlan
             if has_option(help, "netdev"):
-                cmd = " -net nic,netdev=%s" % netdev_id
-            else:
-                cmd = " -net nic,vlan=%d" % vlan
+                cmd +=",netdev=%s" % netdev_id
             if model: cmd += ",model=%s" % model
             if mac: cmd += ",macaddr='%s'" % mac
             return cmd