diff --git a/etc/NetworkManager/conf.d/manage-ifupdown.conf b/etc/NetworkManager/conf.d/manage-ifupdown.conf
new file mode 100644
index 00000000..335edd29
--- /dev/null
+++ b/etc/NetworkManager/conf.d/manage-ifupdown.conf
@@ -0,0 +1,3 @@
+# Brings /etc/network/interfaces(.d/*) under control of NetworkManager
+[ifupdown]
+managed=true