tc-testing: fix ip address in u32 test

Fix expected ip address to actually match configured ip address.
Fix test to expect single matched filter.

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

tools/testing/selftests/tc-testing/tc-tests/filters/tests.json

@@ -12,8 +12,8 @@
         "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: protocol ip prio 1 u32 match ip src 127.0.0.1/32 flowid 1:1 action ok",
         "expExitCode": "0",
         "verifyCmd": "$TC filter show dev $DEV1 parent ffff:",
-        "matchPattern": "match 7f000002/ffffffff at 12",
-        "matchCount": "0",
+        "matchPattern": "match 7f000001/ffffffff at 12",
+        "matchCount": "1",
         "teardown": [
             "$TC qdisc del dev $DEV1 ingress"
         ]