sostat: improve pf_ring output

[GoogleCodeExporter]

        if [ -f /proc/net/pf_ring/info ]; then
                header "pf_ring stats"
                cat /proc/net/pf_ring/info
                if ls /proc/net/pf_ring/*-* >/dev/null 2>&1; then
                        echo
                        egrep -h "Appl. Name|Tot Packets|Tot Pkt Lost|Errors|Slots" /proc/net/pf_ring/*-*
                fi
        fi

Original issue reported on code.google.com by doug.bu...@gmail.com on 31 Dec 2013 at 12:15