AETHER-3411 Persist network config across reboot

Change-Id: I295f55eeeab957189e151e1b746c9b856a1aac30
diff --git a/systemd/20-aiab-dummy.network b/systemd/20-aiab-dummy.network
new file mode 100644
index 0000000..f891162
--- /dev/null
+++ b/systemd/20-aiab-dummy.network
@@ -0,0 +1,8 @@
+# Copyright 2022-present Open Networking Foundation
+# SPDX-License-Identifier: Apache-2.0
+
+[Match]
+Name=DATA_IFACE
+
+[Network]
+MACVLAN=enb