The ifupdown helpers use ifconfig
See-also: Debian #857178
--- /dev/null
+> Debian #857178
+> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=857178
+diff -rup a/debian/control b/debian/control
+--- a/debian/control 2017-03-27 12:27:49.803031236 +0200
++++ b/debian/control 2017-03-27 12:29:13.762965174 +0200
+@@ -46,6 +46,7 @@ Architecture: linux-any
+ Suggests: openvswitch-datapath-module
+ Depends: kmod | module-init-tools,
+ netbase,
++ net-tools,
+ openvswitch-common (= ${binary:Version}),
+ procps,
+ python-argparse,
delete-openvswitch-switch-init.patch
use-systemctl-inside-ifupdown.patch
remove-init-script-on-upgrades.patch
+add-net-tools-dependency.patch