--- /dev/null
+#!/bin/sh
+
+. "${TEST_SCRIPTS_DIR}/unit.sh"
+
+define_test "1 VLAN, link down"
+
+setup_ctdb
+
+iface=$(ctdb_get_1_interface)
+
+ethtool_interfaces_down "$iface"
+
+# This just exercises the VLAN checking code, which will allow us to
+# determine that real0 is not a bond.
+realiface="real0"
+ip link add link "$realiface" name "$iface" type vlan id 11
+ip link set "${iface}@${realiface}" up
+
+required_result 1 "ERROR: No link on the public network interface ${iface}"
+simple_test
--- /dev/null
+#!/bin/sh
+
+. "${TEST_SCRIPTS_DIR}/unit.sh"
+
+define_test "VLAN on bond, active slaves, link down"
+
+setup_ctdb
+
+iface=$(ctdb_get_1_interface)
+
+bond="bond0"
+
+setup_bond "$bond" "" "down"
+
+ip link add link "$bond" name "$iface" type vlan id 11
+ip link set "${iface}@${bond}" up
+
+required_result 1 "ERROR: public network interface ${bond} is down"
+
+simple_test