AT_CAPTURE_FILE([ovs-openflowd.log])
AT_CHECK(
[ovs-openflowd --detach --pidfile --enable-dummy --log-file --fail=closed dummy@br0 none --datapath-id=fedcba9876543210 $1],
- [0], [ignore], [ignore])
+ [0], [], [stderr])
+ AT_CHECK([[sed < stderr '
+/vlog|INFO|opened log file/d
+/openflowd|INFO|Open vSwitch version/d
+/openflowd|INFO|OpenFlow protocol version/d
+/ofproto|INFO|using datapath ID/d
+/ofproto|INFO|datapath ID changed to fedcba9876543210/d']])
])
m4_define([OFPROTO_STOP],