tc: distinguish Add/Replace filter operations

Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
diff --git a/tc/tc_filter.c b/tc/tc_filter.c
index 932677a..ff8713b 100644
--- a/tc/tc_filter.c
+++ b/tc/tc_filter.c
@@ -226,6 +226,16 @@
 	if (n->nlmsg_type == RTM_DELTFILTER)
 		fprintf(fp, "deleted ");
 
+	if (n->nlmsg_type == RTM_NEWTFILTER &&
+			(n->nlmsg_flags & NLM_F_CREATE) &&
+			!(n->nlmsg_flags & NLM_F_EXCL))
+		fprintf(fp, "replaced ");
+
+	if (n->nlmsg_type == RTM_NEWTFILTER &&
+			(n->nlmsg_flags & NLM_F_CREATE) &&
+			(n->nlmsg_flags & NLM_F_EXCL))
+		fprintf(fp, "added ");
+
 	fprintf(fp, "filter ");
 	if (!filter_ifindex || filter_ifindex != t->tcm_ifindex)
 		fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex));