Ensure that ifup executed when all interfaces are visible

This patch adds dependency for ovs_port_up_{{ interface_name }} on
linux_interfaces_final_include. This is needed to avoid errors like
"Unknown interface XXX"

Change-Id: I763ff8ae32a170df3802a65a547c6e76959a0137

linux/network/interface.sls

@@ -112,6 +112,7 @@ ovs_port_up_{{ interface_name }}:
     - file: ovs_port_{{ interface_name }}_line1
     - file: ovs_port_{{ interface_name }}_line2
     - openvswitch_bridge: ovs_bridge_{{ interface.bridge }}
+    - file: linux_interfaces_final_include
 
 {%- endif %}