# Original 'awk' code
    {
        process=0
        if ( substr($3,1,3) == "eth" ) process=1
        if ( substr($3,1,3) == "bon" ) process=1
        if ( $3 == "eth0" ) process=1
        if ( ! ( $2 == "AM" || $2 == "PM" ) ) process=0
        if ( $3 == "IFACE" ) process=0
        if ( process == 0 ) next

        [...]