if1_name=`./usertools/dpdk-devbind.py --s | grep "${port1_pci}" | sed -n 's/.*if=\(\S\)/\1/p' | awk -F' ' '{print $1}'`
if2_name=`./usertools/dpdk-devbind.py --s | grep "${port2_pci}" | sed -n 's/.*if=\(\S\)/\1/p' | awk -F' ' '{print $1}'`
if1_name=`./usertools/dpdk-devbind.py --s | grep "${port1_pci}" | sed -n 's/.*if=\(\S\)/\1/p' | awk -F' ' '{print $1}'`
if2_name=`./usertools/dpdk-devbind.py --s | grep "${port2_pci}" | sed -n 's/.*if=\(\S\)/\1/p' | awk -F' ' '{print $1}'`