From a3a19348ca622772017d98b1c2641b993e1a07e4 Mon Sep 17 00:00:00 2001
From: Seth Thomas <sthomas@chef.io>
Date: Thu, 12 May 2016 18:48:41 -0700
Subject: [PATCH] Don't disable udev rules for 15.10+

---
 scripts/ubuntu/networking.sh | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/scripts/ubuntu/networking.sh b/scripts/ubuntu/networking.sh
index e2e39d5ca..395904499 100644
--- a/scripts/ubuntu/networking.sh
+++ b/scripts/ubuntu/networking.sh
@@ -1,11 +1,17 @@
 #!/bin/sh -eux
 
-# Disable automatic udev rules for network interfaces in Ubuntu,
-# source: http://6.ptmc.org/164/
-rm -f /etc/udev/rules.d/70-persistent-net.rules;
-mkdir -p /etc/udev/rules.d/70-persistent-net.rules;
-rm -f /lib/udev/rules.d/75-persistent-net-generator.rules;
-rm -rf /dev/.udev/ /var/lib/dhcp3/* /var/lib/dhcp/*;
+ubuntu_version="`lsb_release -r | awk '{print $2}'`";
+major_version="`echo $ubuntu_version | awk -F. '{print $1}'`";
+
+if [ "$major_version" -le "15" ] && [ "$ubuntu_version" != "15.10" ]; then
+  echo "Disabling automatic udev rules for network interfaces in Ubuntu"
+  # Disable automatic udev rules for network interfaces in Ubuntu,
+  # source: http://6.ptmc.org/164/
+  rm -f /etc/udev/rules.d/70-persistent-net.rules;
+  mkdir -p /etc/udev/rules.d/70-persistent-net.rules;
+  rm -f /lib/udev/rules.d/75-persistent-net-generator.rules;
+  rm -rf /dev/.udev/ /var/lib/dhcp3/* /var/lib/dhcp/*;
+fi
 
 # Adding a 2 sec delay to the interface up, to make the dhclient happy
 echo "pre-up sleep 2" >>/etc/network/interfaces;