diff --git a/miniupnpd/netfilter_nft/testnftpinhole.c b/miniupnpd/netfilter_nft/testnftpinhole.c
index a1c3caa..e78bfeb 100644
--- a/miniupnpd/netfilter_nft/testnftpinhole.c
+++ b/miniupnpd/netfilter_nft/testnftpinhole.c
@@ -19,6 +19,32 @@
 struct lan_addr_list lan_addrs;
 time_t startup_time = 0;
 
+static void print_infos(unsigned short uid)
+{
+	char rem_host[64];
+	unsigned short rem_port;
+	char int_client[64];
+	unsigned short int_port;
+	int proto;
+	char desc[256];
+	unsigned int timestamp;
+	u_int64_t packets, bytes;
+	int ret;
+	ret = get_pinhole_info(uid,
+	                       rem_host, sizeof(rem_host), &rem_port,
+	                       int_client, sizeof(int_client), &int_port,
+	                       &proto, desc, sizeof(desc), &timestamp,
+	                       &packets, &bytes);
+	if (ret < 0) {
+		syslog(LOG_WARNING, "get_pinhole_info(%d) returned %d", uid, ret);
+	} else {
+		syslog(LOG_INFO, "get_pinhole_info(%d) : %s:%hu => %s:%hu %s",
+		       uid, rem_host, rem_port, int_client, int_port, proto==IPPROTO_TCP ? "tcp" : "udp");
+		syslog(LOG_INFO, " desc \"%s\" ts=%u packets=%llu %llu",
+		       desc, timestamp, (long long unsigned)packets, (long long unsigned)bytes);
+	}
+}
+
 int main(int argc, char * * argv)
 {
 	int uid;
@@ -35,10 +61,24 @@ int main(int argc, char * * argv)
 	uid = add_pinhole(ifname, rem_host, rem_port, int_client, int_port, IPPROTO_TCP,
 	                  "dummy description", upnp_time() + 60 /* timestamp */);
 	syslog(LOG_INFO, "add_pinhole(): uid=%d", uid);
+	if (uid >= 0) print_infos(uid);
 
 	uid = find_pinhole(ifname, rem_host, rem_port, int_client, int_port, IPPROTO_TCP,
 	                   desc, sizeof(desc), &timestamp);
 	syslog(LOG_INFO, "find_pinhole(): uid=%d desc=\"%s\" timestamp=%u", uid, desc, timestamp);
+
+	if (uid >= 0) {
+		int r;
+		print_infos(uid);
+
+		r = update_pinhole(uid, upnp_time() + 3600);
+		syslog(LOG_INFO, "update_pinhole(%d, ...) returned %d", uid, r);
+		print_infos(uid);
+
+		r = delete_pinhole(uid);
+		syslog(LOG_INFO, "delete_pinhole(%d) returned %d", uid, r);
+	}
+
 	return 0;
 }