Flush IP addresses from manual ifaces which are enslaved by bridge ifaces

Change-Id: Idda0c8e32b74e8a0be65ef18ef59d768d1cda22f
diff --git a/classes/cluster/sl_os_ovs/openstack/compute.yml b/classes/cluster/sl_os_ovs/openstack/compute.yml
index 3140233..9db1244 100644
--- a/classes/cluster/sl_os_ovs/openstack/compute.yml
+++ b/classes/cluster/sl_os_ovs/openstack/compute.yml
@@ -41,12 +41,14 @@
           mtu: ${_param:interface_mtu}
         primary_interface:
           enabled: true
+          ipflush_onchange: true
           name: ${_param:primary_interface}
           mtu: ${_param:interface_mtu}
           proto: manual
           type: eth
         tenant_interface:
           enabled: true
+          ipflush_onchange: true
           name: ${_param:tenant_interface}
           mtu: ${_param:interface_mtu}
           proto: manual
@@ -67,3 +69,4 @@
           netmask: 255.255.255.0
           use_interfaces:
           - ${_param:tenant_interface}
+