diff --git a/libknet/tests/api_knet_send.c b/libknet/tests/api_knet_send.c
index f2412015..6c255b92 100644
--- a/libknet/tests/api_knet_send.c
+++ b/libknet/tests/api_knet_send.c
@@ -1,326 +1,334 @@
 /*
  * Copyright (C) 2016-2019 Red Hat, Inc.  All rights reserved.
  *
  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
  *
  * This software licensed under GPL-2.0+, LGPL-2.0+
  */
 
 #include "config.h"
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <inttypes.h>
 
 #include "libknet.h"
 
 #include "internals.h"
 #include "netutils.h"
 #include "test-common.h"
 
 static int private_data;
 
 static void sock_notify(void *pvt_data,
 			int datafd,
 			int8_t channel,
 			uint8_t tx_rx,
 			int error,
 			int errorno)
 {
 	return;
 }
 
 static void test(uint8_t transport)
 {
 	knet_handle_t knet_h;
 	int logfds[2];
 	int datafd = 0;
 	int8_t channel = 0;
 	struct knet_link_status link_status;
 	char send_buff[KNET_MAX_PACKET_SIZE];
 	char recv_buff[KNET_MAX_PACKET_SIZE];
 	ssize_t send_len = 0;
 	int recv_len = 0;
 	int savederrno;
 	struct sockaddr_storage lo;
 
 	if (make_local_sockaddr(&lo, 0) < 0) {
 		printf("Unable to convert loopback to sockaddr: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 
 	memset(send_buff, 0, sizeof(send_buff));
 
 	printf("Test knet_send incorrect knet_h\n");
 
 	if ((!knet_send(NULL, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid knet_h or returned incorrect error: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 
 	setup_logpipes(logfds);
 
 	knet_h = knet_handle_start(logfds, KNET_LOG_DEBUG);
 
 	printf("Test knet_send with no send_buff\n");
 
 	if ((!knet_send(knet_h, NULL, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid send_buff len (0)\n");
 
 	if ((!knet_send(knet_h, send_buff, 0, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff len (0) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid send_buff len (> KNET_MAX_PACKET_SIZE)\n");
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE + 1, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid send_buff len (> KNET_MAX_PACKET_SIZE) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid channel (-1)\n");
 
 	channel = -1;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid channel (-1) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with invalid channel (KNET_DATAFD_MAX)\n");
 
 	channel = KNET_DATAFD_MAX;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid channel (KNET_DATAFD_MAX) or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with unconfigured channel\n");
 
 	channel = 0;
 
 	if ((!knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel)) || (errno != EINVAL)) {
 		printf("knet_send accepted invalid unconfigured channel or returned incorrect error: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test knet_send with valid data\n");
 
+	if (knet_handle_enable_access_lists(knet_h, 1) < 0) {
+		printf("knet_handle_enable_access_lists failed: %s\n", strerror(errno));
+		knet_handle_free(knet_h);
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
 	if (knet_handle_enable_sock_notify(knet_h, &private_data, sock_notify) < 0) {
 		printf("knet_handle_enable_sock_notify failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	datafd = 0;
 	channel = -1;
 
 	if (knet_handle_add_datafd(knet_h, &datafd, &channel) < 0) {
 		printf("knet_handle_add_datafd failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_host_add(knet_h, 1) < 0) {
 		printf("knet_host_add failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, transport, &lo, &lo, 0) < 0) {
 		printf("Unable to configure link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
 		printf("knet_link_set_enable failed: %s\n", strerror(errno));
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_handle_setfwd(knet_h, 1) < 0) {
 		printf("knet_handle_setfwd failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (wait_for_host(knet_h, 1, 10, logfds[0], stdout) < 0) {
 		printf("timeout waiting for host to be reachable");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	if (wait_for_packet(knet_h, 10, datafd)) {
 		printf("Error waiting for packet: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	/* A sanity check on the stats */
 	if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(link_status)) < 0) {
 		printf("knet_link_get_status failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (link_status.stats.tx_data_packets != 2 ||
 	    link_status.stats.rx_data_packets != 2 ||
 	    link_status.stats.tx_data_bytes < KNET_MAX_PACKET_SIZE ||
 	    link_status.stats.rx_data_bytes < KNET_MAX_PACKET_SIZE ||
 	    link_status.stats.tx_data_bytes > KNET_MAX_PACKET_SIZE*2 ||
 	    link_status.stats.rx_data_bytes > KNET_MAX_PACKET_SIZE*2) {
 	    printf("stats look wrong: tx_packets: %" PRIu64 " (%" PRIu64 " bytes), rx_packets: %" PRIu64 " (%" PRIu64 " bytes)\n",
 		   link_status.stats.tx_data_packets,
 		   link_status.stats.tx_data_bytes,
 		   link_status.stats.rx_data_packets,
 		   link_status.stats.rx_data_bytes);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	knet_link_set_enable(knet_h, 1, 0, 0);
 	knet_link_clear_config(knet_h, 1, 0);
 	knet_host_remove(knet_h, 1);
 	knet_handle_free(knet_h);
 	flush_logs(logfds[0], stdout);
 	close_logpipes(logfds);
 }
 
 int main(int argc, char *argv[])
 {
 	printf("Testing with UDP\n");
 	test(KNET_TRANSPORT_UDP);
 
 #ifdef HAVE_NETINET_SCTP_H
 	printf("Testing with SCTP\n");
 	test(KNET_TRANSPORT_SCTP);
 #endif
 
 	return PASS;
 }
diff --git a/libknet/tests/api_knet_send_loopback.c b/libknet/tests/api_knet_send_loopback.c
index 16a46244..0cfd29f7 100644
--- a/libknet/tests/api_knet_send_loopback.c
+++ b/libknet/tests/api_knet_send_loopback.c
@@ -1,399 +1,407 @@
 /*
  * Copyright (C) 2016-2019 Red Hat, Inc.  All rights reserved.
  *
  * Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
  *
  * This software licensed under GPL-2.0+, LGPL-2.0+
  */
 
 #include "config.h"
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <inttypes.h>
 
 #include "libknet.h"
 
 #include "internals.h"
 #include "netutils.h"
 #include "test-common.h"
 
 static int private_data;
 
 static void sock_notify(void *pvt_data,
 			int datafd,
 			int8_t channel,
 			uint8_t tx_rx,
 			int error,
 			int errorno)
 {
 	return;
 }
 
 static int dhost_filter(void *pvt_data,
 			const unsigned char *outdata,
 			ssize_t outdata_len,
 			uint8_t tx_rx,
 			knet_node_id_t this_host_id,
 			knet_node_id_t src_host_id,
 			int8_t *dst_channel,
 			knet_node_id_t *dst_host_ids,
 			size_t *dst_host_ids_entries)
 {
 	dst_host_ids[0] = 1;
 	*dst_host_ids_entries = 1;
 
 	return 0;
 }
 
 
 static void test(void)
 {
 	knet_handle_t knet_h;
 	int logfds[2];
 	int datafd = 0;
 	int8_t channel = 0;
 	struct knet_link_status link_status;
 	char send_buff[KNET_MAX_PACKET_SIZE];
 	char recv_buff[KNET_MAX_PACKET_SIZE];
 	ssize_t send_len = 0;
 	int recv_len = 0;
 	int savederrno;
 	struct sockaddr_storage lo;
 
 	if (make_local_sockaddr(&lo, 1) < 0) {
 		printf("Unable to convert loopback to sockaddr: %s\n", strerror(errno));
 		exit(FAIL);
 	}
 	memset(send_buff, 0, sizeof(send_buff));
 
 	setup_logpipes(logfds);
 
 	knet_h = knet_handle_start(logfds, KNET_LOG_DEBUG);
 
 	flush_logs(logfds[0], stdout);
 
 	printf("Test configuring multiple links with loopback\n");
 
 	if (knet_handle_enable_sock_notify(knet_h, &private_data, sock_notify) < 0) {
 		printf("knet_handle_enable_sock_notify failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
         }
 
 	datafd = 0;
 	channel = -1;
 
 	if (knet_handle_add_datafd(knet_h, &datafd, &channel) < 0) {
 		printf("knet_handle_add_datafd failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_host_add(knet_h, 1) < 0) {
 		printf("knet_host_add failed: %s\n", strerror(errno));
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) < 0) {
 		printf("Unable to configure link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) == 0) {
 		printf("Managed to configure two LOOPBACK links - this is wrong\n");
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test configuring UDP link after loopback\n");
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_UDP, &lo, &lo, 0) == 0) {
 		printf("Managed to configure UDP and LOOPBACK links together: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test configuring UDP link before loopback\n");
 
 	if (knet_link_clear_config(knet_h, 1, 0) < 0) {
 		printf("Failed to clear existing LOOPBACK link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0) < 0) {
 		printf("Failed to configure UDP link for testing: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) == 0) {
 		printf("Managed to configure LOOPBACK link after UDP: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 	printf("Test knet_send with valid data\n");
 
+	if (knet_handle_enable_access_lists(knet_h, 1) < 0) {
+		printf("knet_handle_enable_access_lists failed: %s\n", strerror(errno));
+		knet_handle_free(knet_h);
+		flush_logs(logfds[0], stdout);
+		close_logpipes(logfds);
+		exit(FAIL);
+	}
+
 	if (knet_link_clear_config(knet_h, 1, 0) < 0) {
 		printf("Failed to clear existing UDP link: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_LOOPBACK, &lo, &lo, 0) < 0) {
 		printf("Failed configure LOOPBACK link for sending: %s\n", strerror(errno));
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
 		printf("knet_link_set_enable failed: %s\n", strerror(errno));
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (knet_handle_setfwd(knet_h, 1) < 0) {
 		printf("knet_handle_setfwd failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (wait_for_host(knet_h, 1, 10, logfds[0], stdout) < 0) {
 		printf("timeout waiting for host to be reachable");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	if (wait_for_packet(knet_h, 10, datafd)) {
 		printf("Error waiting for packet: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	/* A sanity check on the stats */
 	if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(link_status)) < 0) {
 		printf("knet_link_get_status failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (link_status.stats.tx_data_packets != 1 ||
 	    link_status.stats.rx_data_packets != 0 ||
 	    link_status.stats.tx_data_bytes != KNET_MAX_PACKET_SIZE) {
 	    printf("stats look wrong: tx_packets: %" PRIu64 " (%" PRIu64 " bytes), rx_packets: %" PRIu64 " (%" PRIu64 " bytes)\n",
 		   link_status.stats.tx_data_packets,
 		   link_status.stats.tx_data_bytes,
 		   link_status.stats.rx_data_packets,
 		   link_status.stats.rx_data_bytes);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 
 	printf("Test knet_send with only localhost\n");
 
 	if (knet_handle_enable_filter(knet_h, NULL, dhost_filter) < 0) {
 		printf("knet_handle_enable_filter failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 	send_len = knet_send(knet_h, send_buff, KNET_MAX_PACKET_SIZE, channel);
 	if (send_len <= 0) {
 		printf("knet_send failed: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	if (send_len != sizeof(send_buff)) {
 		printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	flush_logs(logfds[0], stdout);
 
 	if (wait_for_packet(knet_h, 10, datafd)) {
 		printf("Error waiting for packet: %s\n", strerror(errno));
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	recv_len = knet_recv(knet_h, recv_buff, KNET_MAX_PACKET_SIZE, channel);
 	savederrno = errno;
 	if (recv_len != send_len) {
 		printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
 			printf("helgrind exception. this is normal due to possible timeouts\n");
 			exit(PASS);
 		}
 		exit(FAIL);
 	}
 
 	if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
 		printf("recv and send buffers are different!\n");
 		knet_link_set_enable(knet_h, 1, 0, 0);
 		knet_link_clear_config(knet_h, 1, 0);
 		knet_host_remove(knet_h, 1);
 		knet_handle_free(knet_h);
 		flush_logs(logfds[0], stdout);
 		close_logpipes(logfds);
 		exit(FAIL);
 	}
 
 	knet_link_set_enable(knet_h, 1, 0, 0);
 	knet_link_clear_config(knet_h, 1, 0);
 	knet_host_remove(knet_h, 1);
 	knet_handle_free(knet_h);
 	flush_logs(logfds[0], stdout);
 	close_logpipes(logfds);
 }
 
 int main(int argc, char *argv[])
 {
 	test();
 
 	return PASS;
 }