face: configuration option to make Ethernet face "ad hoc"

Change-Id: I55aeb2ca38ec34365b2d5d951b9ca2d7b05f46b2
Refs: #4018, #3967
diff --git a/tests/daemon/face/ethernet-fixture.hpp b/tests/daemon/face/ethernet-fixture.hpp
index 4228f79..5769637 100644
--- a/tests/daemon/face/ethernet-fixture.hpp
+++ b/tests/daemon/face/ethernet-fixture.hpp
@@ -43,7 +43,7 @@
     for (const auto& netif : listNetworkInterfaces()) {
       if (!netif.isLoopback() && netif.isUp()) {
         try {
-          EthernetTransport transport(netif, ethernet::getBroadcastAddress());
+          EthernetTransport transport(netif, ethernet::getBroadcastAddress(), ndn::nfd::LINK_TYPE_MULTI_ACCESS);
           netifs.push_back(netif);
         }
         catch (const EthernetTransport::Error&) {