diff --git a/Makefile b/Makefile
index 2b3a32b84896ee1639ba17e638ea9f507834ff24..f9dd70e69bbf4c37e07eeaa2d54cd658139883ed 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,7 @@ install: install-noinit
 
 install-noinit: install-man
 	install -Dp daemon/network-manager $(DESTDIR)$(NM)
+	install -Dpm 0644 daemon/interfaces $(DESTDIR)/etc/network/interfaces.d/re6stnet
 	set -e $(DESTDIR)$(PREFIX) /bin/re6stnet; [ -x $$1$$2 ] || \
 	$(or $(PYTHON),python2) setup.py install \
 		--prefix=$(PREFIX) --root=$(DESTDIR); \
diff --git a/daemon/interfaces b/daemon/interfaces
new file mode 100644
index 0000000000000000000000000000000000000000..6f19f43c0f0d22f44baa112843313ea9182b2094
--- /dev/null
+++ b/daemon/interfaces
@@ -0,0 +1,16 @@
+# force NetworkManager to ignore re6stnet interfaces
+#
+# On Debian 8.9 (NetworkManager 0.9.10.0) even though `nmcli d` says re6stnet*
+# interfaces are unmanaged, log shows NetworkManager tries to mess with them
+# and frequently brings this interfaces down.
+iface re6stnet-tcp inet manual
+iface re6stnet1 inet manual
+iface re6stnet2 inet manual
+iface re6stnet3 inet manual
+iface re6stnet4 inet manual
+iface re6stnet5 inet manual
+iface re6stnet6 inet manual
+iface re6stnet7 inet manual
+iface re6stnet8 inet manual
+iface re6stnet9 inet manual
+iface re6stnet10 inet manual