face: Configurable IP subnets for "local" TCP faces

Change-Id: Idaddfe4b2c304b552d2e132235f4c3d3e6c2ebcb
Refs: #4546
diff --git a/tests/daemon/face/tcp-transport.t.cpp b/tests/daemon/face/tcp-transport.t.cpp
index 96cba88..0b573f3 100644
--- a/tests/daemon/face/tcp-transport.t.cpp
+++ b/tests/daemon/face/tcp-transport.t.cpp
@@ -119,7 +119,7 @@
 {
 public:
   PermanentTcpTransportReconnectObserver(protocol::socket&& socket, LimitedIo& io)
-    : TcpTransport(std::move(socket), ndn::nfd::FACE_PERSISTENCY_PERMANENT)
+    : TcpTransport(std::move(socket), ndn::nfd::FACE_PERSISTENCY_PERMANENT, ndn::nfd::FACE_SCOPE_LOCAL)
     , m_io(io)
   {
   }