+ [add-br a],
+ [add-port a a1])])
+AT_CHECK([cat conf], [0],
+ [bridge.a.port=a
+bridge.a.port=a1
+])
+AT_CHECK([RUN_OVS_VSCTL([add-port a a1])], [1], [],
+ [ovs-vsctl: cannot create a port named a1 because a port named a1 already exists on bridge a
+])
+AT_CLEANUP
+
+AT_SETUP([add-br a b, add-port a a1, add-port b b1, del-br a])
+AT_KEYWORDS([ovs-vsctl])
+AT_CHECK([RUN_OVS_VSCTL_TOGETHER(