diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index aee215d73b7c..54bac074f184 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -1146,12 +1146,20 @@ run_tests()
 	do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr}
 }
 
+_dump_stats()
+{
+	local ns="${1}"
+	local side="${2}"
+
+	mptcp_lib_print_err "${side} ns stats (${ns2})"
+	mptcp_lib_pr_nstat "${ns}"
+	echo
+}
+
 dump_stats()
 {
-	echo Server ns stats
-	ip netns exec $ns1 nstat -as | grep Tcp
-	echo Client ns stats
-	ip netns exec $ns2 nstat -as | grep Tcp
+	_dump_stats "${ns1}" "Server"
+	_dump_stats "${ns2}" "Client"
 }
 
 chk_csum_nr()
diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
index c5571100f797..fa91eebdbc47 100644
--- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh
@@ -110,7 +110,11 @@ mptcp_lib_pr_nstat() {
 	local ns="${1}"
 	local hist="/tmp/${ns}.out"
 
-	cat "${hist}"
+	if [ -f "${hist}" ]; then
+		awk '{ print "  "$0 }' "${hist}"
+	else
+		ip netns exec "${ns}" nstat -as | grep Tcp
+	fi
 }
 
 # $1-2: listener/connector ns ; $3 port