On LM 18/Sarah - Macchange dosn't work

[dizmoduck]

On Mint 17.X I got macchange to work at boot, but on Mint 18 i can't get it to work

When I run this script (755) as sudo it change the mac adr. but then the the network doesn't work anymore
When I restart the buld in network manager it set the mac adr back to the permanent adr.

Version: GNU MAC changer 1.7.0

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#!/bin/bash

# Disable the network devices
ifconfig eth0 down
ifconfig wlp2s0 down

# Spoof the mac addresses
/usr/bin/macchanger -r eth0
/usr/bin/macchanger -r wlp2s0

# Re-enable the devices
ifconfig eth0 up
ifconfig wlp2s0 up
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