VCL_LDPRELOAD: Add unit test scripts.

Change-Id: I5fbb3339a6dbd7b40fecf66bfda3fd3249b4a90c
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
diff --git a/extras/vcl-ldpreload/test/common/vpp_docker.conf b/extras/vcl-ldpreload/test/common/vpp_docker.conf
new file mode 100644
index 0000000..4d18bb2
--- /dev/null
+++ b/extras/vcl-ldpreload/test/common/vpp_docker.conf
@@ -0,0 +1,3 @@
+create host-interface name vpp1
+set int state host-vpp1 up
+set int ip address host-vpp1 172.17.0.123/24