diff --git a/tests/sys/netpfil/pf/nat.sh b/tests/sys/netpfil/pf/nat.sh
index 3fabb32db80f..a957dfd59c78 100644
--- a/tests/sys/netpfil/pf/nat.sh
+++ b/tests/sys/netpfil/pf/nat.sh
@@ -1,90 +1,126 @@
 # $FreeBSD$
 #
 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 #
 # Copyright (c) 2018 Kristof Provost <kp@FreeBSD.org>
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 
 . $(atf_get_srcdir)/utils.subr
 
 atf_test_case "exhaust" "cleanup"
 exhaust_head()
 {
 	atf_set descr 'Test exhausting the NAT pool'
 	atf_set require.user root
 }
 
 exhaust_body()
 {
 	pft_init
 
 	epair_nat=$(vnet_mkepair)
 	epair_echo=$(vnet_mkepair)
 
 	vnet_mkjail nat ${epair_nat}b ${epair_echo}a
 	vnet_mkjail echo ${epair_echo}b
 
 	ifconfig ${epair_nat}a 192.0.2.2/24 up
 	route add -net 198.51.100.0/24 192.0.2.1
 
 	jexec nat ifconfig ${epair_nat}b 192.0.2.1/24 up
 	jexec nat ifconfig ${epair_echo}a 198.51.100.1/24 up
 	jexec nat sysctl net.inet.ip.forwarding=1
 
 	jexec echo ifconfig ${epair_echo}b 198.51.100.2/24 up
 	jexec echo /usr/sbin/inetd -p inetd-echo.pid $(atf_get_srcdir)/echo_inetd.conf
 
 	# Enable pf!
 	jexec nat pfctl -e
 	pft_set_rules nat \
 		"nat pass on ${epair_echo}a inet from 192.0.2.0/24 to any -> (${epair_echo}a) port 30000:30001 sticky-address"
 
 	# Sanity check
 	atf_check -s exit:0 -o ignore ping -c 3 198.51.100.2
 
 	echo "foo" | nc -N 198.51.100.2 7
 	echo "foo" | nc -N 198.51.100.2 7
 
 	# This one will fail, but that's expected
 	echo "foo" | nc -N 198.51.100.2 7 &
 
 	sleep 1
 
 	# If the kernel is stuck in pf_get_sport() this will not succeed either.
 	timeout 2 jexec nat pfctl -sa
 	if [ $? -eq 124 ]; then
 		# Timed out
 		atf_fail "pfctl timeout"
 	fi
 }
 
 exhaust_cleanup()
 {
 	rm -f inetd-echo.pid
 	pft_cleanup
 }
 
+atf_test_case "nested_anchor" "cleanup"
+nested_anchor_head()
+{
+	atf_set descr 'Test setting and retrieving nested nat anchors'
+	atf_set require.user root
+}
+
+nested_anchor_body()
+{
+	pft_init
+
+	epair=$(vnet_mkepair)
+
+	vnet_mkjail nat ${epair}a
+
+	pft_set_rules nat \
+		"nat-anchor \"foo\""
+
+	echo "nat-anchor \"bar\"" | jexec nat pfctl -g -a foo -f -
+	echo "nat on ${epair}a from any to any -> (${epair}a)" | jexec nat pfctl -g -a "foo/bar" -f -
+
+	atf_check -s exit:0 -o inline:"nat-anchor \"foo\" all {
+  nat-anchor \"bar\" all {
+    nat on ${epair}a all -> (${epair}a) round-robin
+  }
+}
+" jexec nat pfctl -sn -a "*"
+
+}
+
+nested_anchor_cleanup()
+{
+	pft_cleanup
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case "exhaust"
+	atf_add_test_case "nested_anchor"
 }