diff --git a/nova/virt/libvirt/vif.py b/nova/virt/libvirt/vif.py
index 68b0505aa46..c8a87bd3c88 100644
--- a/nova/virt/libvirt/vif.py
+++ b/nova/virt/libvirt/vif.py
@@ -351,6 +351,8 @@ def plug_ovs_hybrid(self, instance, vif):
 
         if not linux_net.device_exists(br_name):
             utils.execute('brctl', 'addbr', br_name, run_as_root=True)
+            utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
+            utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
 
         if not linux_net.device_exists(v2_name):
             linux_net._create_veth_pair(v1_name, v2_name)