diff --git a/tests/sys/netpfil/pf/ether.sh b/tests/sys/netpfil/pf/ether.sh
--- a/tests/sys/netpfil/pf/ether.sh
+++ b/tests/sys/netpfil/pf/ether.sh
@@ -326,11 +326,7 @@
 	# Host is client, jail 'gw' is the captive portal gateway, jail 'srv'
 	# is a random (web)server. We use the echo protocol rather than http
 	# for the test, because that's easier.
-	pft_init
-
-	if ! kldstat -q -m dummynet; then
-		atf_skip "This test requires dummynet"
-	fi
+	dummynet_init
 
 	epair_gw=$(vnet_mkepair)
 	epair_srv=$(vnet_mkepair)
diff --git a/tests/sys/netpfil/pf/match.sh b/tests/sys/netpfil/pf/match.sh
--- a/tests/sys/netpfil/pf/match.sh
+++ b/tests/sys/netpfil/pf/match.sh
@@ -36,10 +36,7 @@
 
 dummynet_body()
 {
-	pft_init
-	if ! kldstat -q -m dummynet; then
-		atf_skip "This test requires dummynet"
-	fi
+	dummynet_init
 
 	epair=$(vnet_mkepair)
 	vnet_mkjail alcatraz ${epair}b
diff --git a/tests/sys/netpfil/pf/utils.subr b/tests/sys/netpfil/pf/utils.subr
--- a/tests/sys/netpfil/pf/utils.subr
+++ b/tests/sys/netpfil/pf/utils.subr
@@ -87,6 +87,15 @@
 	fi
 }
 
+dummynet_init()
+{
+	pft_init
+
+	if ! kldstat -q -m dummynet; then
+		atf_skip "This test requires dummynet"
+	fi
+}
+
 pft_set_rules()
 {
 	jname=$1