system-offloads-traffic: Add sanity check
Doing dump-flows also altering the netdev ports list.
So doing it pre the actual test is adding a check to
make sure we don't break the that list.
@@ -46,6 +46,7 @@ ADD_NAMESPACES(at_ns0, at_ns1)
ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
+AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [ignore])
NS_CHECK_EXEC([at_ns0], [ping -q -c 10 -i 0.1 -w 2 10.1.1.2 | FORMAT_PING], [0], [dnl
10 packets transmitted, 10 received, 0% packet loss, time 0ms
