Updates a cloned Parallels Ubuntu VM network interface configuration with the proper mac address

parallels_clone_update_mac.sh

#!/usr/bin/env sh
#
# Change the MAC Address on an Ubuntu Parallels Cloned VM
# Author: Kelly Becker (KellyLSB)

# Check for sudo access
SUDO=`sudo -n uptime 2>&1|grep "load"|wc -l` 
if [ $SUDO -lt 1 ]
then
    echo "You need to have sudo priveleges!"
    exit
fi

NEW_MAC=`sudo lshw -C network | grep -o -E '([[:xdigit:]]{1,2}:){5}[[:xdigit:]]{1,2}'`
UDEV_RULE=/etc/udev/rules.d/70-persistent-net.rules

# Make the change
echo "Updating the udev mac address to $NEW_MAC..."
sudo sed -ie "s/\([[:xdigit:]]\{1,2\}:\)\{5\}[[:xdigit:]]\{1,2\}/$NEW_MAC/g" $UDEV_RULE

# Restarting the computer
echo "Restarting VM"
sleep 5
sudo shutdown -r now
exit

this works great. ... thank you saved me an hour.