#!/bin/bash                                                                        
find /sys/bus/pci/devices/ -mindepth 1 -maxdepth 1 -type l |                       
while read file                                                                    
do                                                                                 
    newpath="`realpath "${file}"`"                                                 
    find "${newpath}" -name address                                                
done |                                                                             
sort |                                                                             
uniq |                                                                             
while read file                                                                    
do                                                                                 
    mac="`cat "${file}"`"                                                          
	                                                                           
    file="${file%/*}"                                                              
    name="${file##*/}"                                                             
	                                                                           
    pci="${file%/*}"                                                               
    pci="${pci%/*}"                                                                
    pci="${pci##*/}"
    echo "${pci} ${name} ${mac}"                                                   
done