[net] relax NetIOCounterAll test

net/net_test.go

@@ -2,6 +2,7 @@ package net
 
 import (
 	"fmt"
+	"math"
 	"os"
 	"runtime"
 	"testing"
@@ -86,7 +87,7 @@ func TestNetIOCountersAll(t *testing.T) {
 	for _, p := range per {
 		pr += p.PacketsRecv
 	}
-	if v[0].PacketsRecv != pr {
+	if math.Abs(float64(v[0].PacketsRecv-pr)) > 5 {
 		t.Errorf("invalid sum value: %v, %v", v[0].PacketsRecv, pr)
 	}
 }

v3/net/net_test.go

@@ -2,6 +2,7 @@ package net
 
 import (
 	"fmt"
+	"math"
 	"os"
 	"runtime"
 	"testing"
@@ -86,7 +87,8 @@ func TestNetIOCountersAll(t *testing.T) {
 	for _, p := range per {
 		pr += p.PacketsRecv
 	}
-	if v[0].PacketsRecv != pr {
+	// small diff is ok
+	if math.Abs(float64(v[0].PacketsRecv-pr)) > 5 {
 		t.Errorf("invalid sum value: %v, %v", v[0].PacketsRecv, pr)
 	}
 }