dnl Check logs for OpenFlow trace
# Prevent race.
-OVS_WAIT_UNTIL([test `grep -- "|vconn|DBG|unix: sent (Success): NXST_FLOW reply" ovs-vswitchd.log | wc -l` -ge 3])
-AT_CHECK([print_vconn_debug | ofctl_strip], [0], [dnl
+OVS_WAIT_UNTIL([cat ovs-vswitchd.log | vconn_windows_sub | test `grep -- "|vconn|DBG|unix: sent (Success): NXST_FLOW reply" | wc -l` -ge 3])
+AT_CHECK([print_vconn_debug | vconn_windows_sub | ofctl_strip], [0], [dnl
vconn|DBG|unix: sent (Success): OFPT_HELLO (OF1.5):
version bitmap: 0x01, 0x02, 0x03, 0x04, 0x05, 0x06
vconn|DBG|unix: received: OFPT_HELLO: