#!/bin/sh


printf "OK |"

for i in $( cat /proc/net/dev | sed -n 's/^[[:space:]]*\([a-z0-9\.]\+\):.*/\1/p' ); do
	if [ $( echo "$i" | egrep -c '(lo|bond|vmbr)' ) -gt 0 ]; then
		continue
	fi
	VOLUME_RECU="$( cat /proc/net/dev | sed -n "s/^[[:space:]]*$i:[[:space:]]*//p" | sed 's/[[:space:]]\+/ /g' | cut -d " " -f 1 )"
	VOLUME_EMIS="$( cat /proc/net/dev | sed -n "s/^[[:space:]]*$i:[[:space:]]*//p" | sed 's/[[:space:]]\+/ /g' | cut -d " " -f 9 )"
	PAQUETS_RECUS="$( cat /proc/net/dev | sed -n "s/^[[:space:]]*$i:[[:space:]]*//p" | sed 's/[[:space:]]\+/ /g' | cut -d " " -f 2 )"
	PAQUETS_EMIS="$( cat /proc/net/dev | sed -n "s/^[[:space:]]*$i:[[:space:]]*//p" | sed 's/[[:space:]]\+/ /g' | cut -d " " -f 10 )"
	printf " %s_packets_in=%d %s_packets_out=%d %s_volume_in=%d %s_volume_out=%d" "$i" "$PAQUETS_RECUS" "$i" "$PAQUETS_EMIS" "$i" "$VOLUME_RECU" "$i" "$VOLUME_EMIS"
done

printf "\n"