OFPROTO_START
AT_CHECK([ovs-ofctl dump-flows br0 | STRIP_XIDS], [0], [NXST_FLOW reply:
])
-AT_CHECK([ovs-ofctl add-flow br0 in_port=1,actions=0])
+AT_CHECK([echo 'in_port=1,actions=0' | ovs-ofctl add-flows br0 -])
AT_CHECK([ovs-ofctl add-flow br0 in_port=0,actions=1])
AT_CHECK([ovs-ofctl dump-flows br0 | STRIP_XIDS | STRIP_DURATION], [0], [dnl
NXST_FLOW reply: