VOL-3479 Correct flow information in failed add flows logs

Change-Id: Ie41489a4d5c078e75b79f4876c1e8ad776731a5f
(cherry picked from commit 531af4f4456182d721545441545cddcd146e6629)
diff --git a/rw_core/core/device/logical_agent_flow.go b/rw_core/core/device/logical_agent_flow.go
index 53209a1..e9e53dd 100644
--- a/rw_core/core/device/logical_agent_flow.go
+++ b/rw_core/core/device/logical_agent_flow.go
@@ -20,6 +20,8 @@
 	"context"
 	"errors"
 	"fmt"
+	"strconv"
+
 	"github.com/gogo/protobuf/proto"
 	"github.com/opencord/voltha-go/rw_core/route"
 	coreutils "github.com/opencord/voltha-go/rw_core/utils"
@@ -29,7 +31,6 @@
 	"github.com/opencord/voltha-protos/v3/go/voltha"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"strconv"
 )
 
 // listLogicalDeviceFlows returns logical device flows
@@ -168,18 +169,18 @@
 		go func() {
 			// Wait for completion
 			if res := coreutils.WaitForNilOrErrorResponses(agent.defaultTimeout, respChannels...); res != nil {
-				logger.Infow(ctx, "failed-to-add-flows-will-attempt-deletion", log.Fields{
+				logger.Infow(ctx, "failed-to-add-flow-will-attempt-deletion", log.Fields{
 					"errors":            res,
 					"logical-device-id": agent.logicalDeviceID,
-					"flows":             flows,
+					"flow":              flow,
 					"groups":            groups,
 				})
 				// Revert added flows
 				if err := agent.revertAddedFlows(log.WithSpanFromContext(context.Background(), ctx), mod, flow, flowToReplace, deviceRules, toMetadata(flowMeterConfig)); err != nil {
-					logger.Errorw(ctx, "failure-to-delete-flows-after-failed-addition", log.Fields{
+					logger.Errorw(ctx, "failure-to-delete-flow-after-failed-addition", log.Fields{
 						"error":             err,
 						"logical-device-id": agent.logicalDeviceID,
-						"flows":             flows,
+						"flow":              flow,
 						"groups":            groups,
 					})
 				}