diff --git a/tests/executors/link b/tests/executors/link
new file mode 120000
index 0000000..1322f47
--- /dev/null
+++ b/tests/executors/link
@@ -0,0 +1 @@
+mock-executor
\ No newline at end of file
diff --git a/tests/ifdown_test b/tests/ifdown_test
index 97fef50..0dcccf0 100755
--- a/tests/ifdown_test
+++ b/tests/ifdown_test
@@ -21,69 +21,62 @@ noargs_body() {
 }
 
 lo_always_auto_body() {
-	atf_check -s exit:0 -e ignore -o match:'ip link set down dev lo' \
-		ifdown -S/dev/null -i/dev/null -n -a
+	atf_check -s exit:0 -e ignore -o match:'executors/link' \
+		ifdown -S/dev/null -E $EXECUTORS -i/dev/null -n -a
 }
 
 dual_stack_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0.interfaces -n -a
 }
 
 static_ipv4_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v4.interfaces -n -a
 }
 
 static_ipv4_netmask_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v4-netmask.interfaces -n -a
 }
 
 static_ipv6_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v6.interfaces -n -a
 }
 
 static_ipv6_netmask_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v6-netmask.interfaces -n -a
 }
 
 inet_dhcp_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/dhcp-eth0.interfaces -n -a
 }
 
 use_dhcp_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev lo' \
-		-o match:'ip link set down dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifdown -S/dev/null -E $EXECUTORS -i $FIXTURES/use-dhcp-eth0.interfaces -n -a
 }
 
 alias_eth0_home_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev wlan0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifdown -S $FIXTURES/alias-home.ifstate \
 			-E $EXECUTORS -i $FIXTURES/alias-home-work.interfaces -n wlan0
@@ -91,7 +84,7 @@ alias_eth0_home_body() {
 
 alias_eth0_work_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev wlan0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifdown -S $FIXTURES/alias-work.ifstate \
 			-E $EXECUTORS -i $FIXTURES/alias-home-work.interfaces -n wlan0
@@ -99,10 +92,7 @@ alias_eth0_work_body() {
 
 bonded_bridge_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set down dev eth0' \
-		-o match:'ip link set down dev eth1' \
-		-o match:'ip link set down dev bond0' \
-		-o match:'ip link set down dev br0' \
+		-o match:'executors/link' \
 		-o match:'executors/bond' \
 		-o match:'executors/bridge' \
 		-o match:'executors/static' \
diff --git a/tests/ifup_test b/tests/ifup_test
index 788940c..cef02d5 100755
--- a/tests/ifup_test
+++ b/tests/ifup_test
@@ -21,86 +21,76 @@ noargs_body() {
 }
 
 lo_always_auto_body() {
-	atf_check -s exit:0 -e ignore -o match:'ip link set up dev lo' \
-		ifup -S/dev/null -i/dev/null -n -a
+	atf_check -s exit:0 -e ignore -o match:'executors/link' \
+		ifup -S/dev/null -E $EXECUTORS -i/dev/null -n -a
 }
 
 dual_stack_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0.interfaces -n -a
 }
 
 static_ipv4_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v4.interfaces -n -a
 }
 
 static_ipv4_netmask_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v4-netmask.interfaces -n -a
 }
 
 static_ipv6_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v6.interfaces -n -a
 }
 
 static_ipv6_netmask_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/static-eth0-v6-netmask.interfaces -n -a
 }
 
 inet_dhcp_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/dhcp-eth0.interfaces -n -a
 }
 
 use_dhcp_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev lo' \
-		-o match:'ip link set up dev eth0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/use-dhcp-eth0.interfaces -n -a
 }
 
 alias_eth0_home_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev wlan0' \
+		-o match:'executors/link' \
 		-o match:'executors/dhcp' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/alias-home-work.interfaces -n wlan0=home
 }
 
 alias_eth0_work_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev wlan0' \
+		-o match:'executors/link' \
 		-o match:'executors/static' \
 		ifup -S/dev/null -E $EXECUTORS -i $FIXTURES/alias-home-work.interfaces -n wlan0=work
 }
 
 bonded_bridge_body() {
 	atf_check -s exit:0 -e ignore \
-		-o match:'ip link set up dev eth0' \
-		-o match:'ip link set up dev eth1' \
-		-o match:'ip link set up dev bond0' \
-		-o match:'ip link set up dev br0' \
+		-o match:'executors/link' \
 		-o match:'executors/bond' \
 		-o match:'executors/bridge' \
 		-o match:'executors/static' \