diff --git a/tools/lkl/scripts/checkpatch.sh b/tools/lkl/scripts/checkpatch.sh
index 63f6ef2bcc0b7a..38eb972cdd12f1 100755
--- a/tools/lkl/scripts/checkpatch.sh
+++ b/tools/lkl/scripts/checkpatch.sh
@@ -13,15 +13,19 @@ if [ -z "$origin_master" ]; then
     origin_master="origin/master"
 fi
 
+origin=$(dirname $origin_master)
+master=$(basename $origin_master)
+
 # make sure we fetch to avoid caching effects
-git fetch origin
+git fetch --tags $origin +refs/heads/$master:refs/remotes/$origin/$master
 
 # find the last upstream tag to avoid checking upstream commits during
 # upstream merges
 tag=`git tag --sort='-*authordate' | grep ^v | head -n1`
 tmp=`mktemp -d`
 
-for c in `git log --no-merges --pretty=format:%h HEAD ^$origin_master ^$tag`; do
+commits=$(git log --no-merges --pretty=format:%h HEAD ^$origin/$master ^$tag)
+for c in $commits; do
     git format-patch -1 -o $tmp $c
 done
 
diff --git a/tools/lkl/tests/net-test.c b/tools/lkl/tests/net-test.c
index 53e88845aeab2c..7e92fa54419b36 100644
--- a/tools/lkl/tests/net-test.c
+++ b/tools/lkl/tests/net-test.c
@@ -51,9 +51,11 @@ static int test_icmp(char *str, int len)
 	struct lkl_pollfd pfd;
 	char buf[32];
 
+	str += snprintf(str, len, "%s ", dst);
+
 	sock = lkl_sys_socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
 	if (sock < 0) {
-		snprintf(str, len, "socket error (%s)", strerror(errno));
+		snprintf(str, len, "socket error (%s)", lkl_strerror(sock));
 		return TEST_FAILURE;
 	}
 
@@ -73,7 +75,7 @@ static int test_icmp(char *str, int len)
 			     (struct lkl_sockaddr*)&saddr,
 			     sizeof(saddr));
 	if (ret < 0) {
-		snprintf(str, len, "sendto error (%s)", strerror(errno));
+		snprintf(str, len, "sendto error (%s)", lkl_strerror(ret));
 		return TEST_FAILURE;
 	}
 
@@ -85,13 +87,13 @@ static int test_icmp(char *str, int len)
 
 	ret = lkl_sys_poll(&pfd, 1, 1000);
 	if (ret < 0) {
-		snprintf(str, len, "poll error (%s)", strerror(errno));
+		snprintf(str, len, "poll error (%s)", lkl_strerror(ret));
 		return TEST_FAILURE;
 	}
 
 	ret = lkl_sys_recv(sock, buf, sizeof(buf), MSG_DONTWAIT);
 	if (ret < 0) {
-		snprintf(str, len, "recv error (%s)", strerror(errno));
+		snprintf(str, len, "recv error (%s)", lkl_strerror(ret));
 		return TEST_FAILURE;
 	}
 
@@ -105,7 +107,6 @@ static int test_icmp(char *str, int len)
 		return TEST_FAILURE;
 	}
 
-	snprintf(str, len, "echo reply %s", dst);
 	return TEST_SUCCESS;
 }
 
@@ -118,7 +119,7 @@ static int test_net_init(int argc, char **argv)
 	struct lkl_netdev *nd = NULL;
 	char boot_cmdline[256] = "\0";
 
-	if (argc < 3) {
+	if (argc < 4) {
 		printf("usage %s <iftype: tap|dpdk|raw> <ifname> <dstaddr> <v4addr>|dhcp <v4mask> [gateway]\n", argv[0]);
 		exit(0);
 	}
diff --git a/tools/lkl/tests/net.sh b/tools/lkl/tests/net.sh
index 49c289d2da86e6..9300360582732d 100755
--- a/tools/lkl/tests/net.sh
+++ b/tools/lkl/tests/net.sh
@@ -1,10 +1,12 @@
 #!/bin/bash -e
 
-IFNAME=`ip route |grep default | awk '{print $5}'`
-GW=`ip route |grep default | awk '{print $3}'`
-HOST_IPADDR=`ip rou |grep ${IFNAME} | grep "scope link" | awk '{print $1}' | sed "s/\(.*\)\/.*/\1/"`
-PLEN=`ip rou |grep ${IFNAME} | grep "scope link" | awk '{print $1}' | sed "s/.*\/\(.*\)/\1/"`
-IPADDR=`echo ${HOST_IPADDR}|awk -F. '{printf ("%d.%d.%d.%d\n",$1,$2,$3,$4+10)}'`
+# currently not supported mingw
+if [ "`printenv CONFIG_AUTO_LKL_POSIX_HOST`" != "y" ] ; then
+    exit 0
+fi
+
+IFNAME=`ip route |grep default | awk '{print $5}' | head -n1`
+GW=`ip route |grep default | awk '{print $3}' | head -n1`
 
 script_dir=$(cd $(dirname ${BASH_SOURCE:-$0}); pwd)
 cd ${script_dir}
@@ -32,27 +34,25 @@ if [ -c /dev/net/tun ]; then
     sudo ip tuntap del dev lkl_ptt1 mode tap
 fi
 
-echo "== RAW socket (LKL net) tests =="
-# currently not supported mingw
-if [ -n "`printenv CONFIG_AUTO_LKL_POSIX_HOST`" ] ; then
-    sudo ip link set dev ${IFNAME} promisc on
-    # this won't work if IFNAME is wifi since it rewrites the src macaddr
-    sudo ./net-test raw ${IFNAME} 8.8.8.8 ${IPADDR} ${PLEN} ${GW}
-
-    # DHCP test
-    echo "  == DHCP with RAW socket test =="
-    sudo ./net-test raw ${IFNAME} 8.8.8.8 dhcp
-    sudo ip link set dev ${IFNAME} promisc off
+if ping -c1 -w1 $GW &>/dev/null; then
+    DST=$GW
+elif ping -c1 -w1 8.8.8.8 &>/dev/null; then
+    DST=8.8.8.8
 fi
 
-echo "== macvtap (LKL net) tests =="
-# currently not supported mingw
-sudo ip link add link ${IFNAME} name lkl_vtap0 type macvtap mode passthru
-if ls /dev/tap* > /dev/null 2>&1 ; then
-    sudo ip link set dev lkl_vtap0 up
-    sudo chown ${USER} `ls /dev/tap*`
+if ! [ -z $DST ]; then
+    echo "== RAW socket (LKL net) tests =="
+    sudo ip link set dev ${IFNAME} promisc on
+    sudo ./net-test raw ${IFNAME} ${DST} dhcp
+    sudo ip link set dev ${IFNAME} promisc off
 
-    ./net-test macvtap `ls /dev/tap*` 8.8.8.8 ${IPADDR} ${PLEN} ${GW}
+    echo "== macvtap (LKL net) tests =="
+    sudo ip link add link ${IFNAME} name lkl_vtap0 type macvtap mode passthru
+    if ls /dev/tap* > /dev/null 2>&1 ; then
+	sudo ip link set dev lkl_vtap0 up
+	sudo chown ${USER} `ls /dev/tap*`
+	./net-test macvtap `ls /dev/tap*` $DST dhcp
+    fi
 fi
 
 # we disabled this DPDK test because it's unlikely possible to describe