netstat change uint size to 64 bits (#419)

Signed-off-by: binjip978 <binjip978@gmail.com>

netstat.go

@@ -23,8 +23,8 @@ import (
 
 // NetStat contains statistics for all the counters from one file
 type NetStat struct {
-	Filename string
 	Stats    map[string][]uint64
+	Filename string
 }
 
 // NetStat retrieves stats from /proc/net/stat/
@@ -55,7 +55,7 @@ func (fs FS) NetStat() ([]NetStat, error) {
 		// Other strings represent per-CPU counters
 		for scanner.Scan() {
 			for num, counter := range strings.Fields(scanner.Text()) {
-				value, err := strconv.ParseUint(counter, 16, 32)
+				value, err := strconv.ParseUint(counter, 16, 64)
 				if err != nil {
 					return nil, err
 				}