do
if [ "$(ifconfig $npe 2>/dev/null | grep -c 00:00:00:00:00:00)" == "1" ]; then
ifconfig $npe hw ether $(fconfig -s -r -d /dev/$RB_CONFIG -n npe_"$npe"_esa)
do
if [ "$(ifconfig $npe 2>/dev/null | grep -c 00:00:00:00:00:00)" == "1" ]; then
ifconfig $npe hw ether $(fconfig -s -r -d /dev/$RB_CONFIG -n npe_"$npe"_esa)