diff --git a/pkg/port/iscsit/login.go b/pkg/port/iscsit/login.go
index 2b69d9c..0f819a9 100644
--- a/pkg/port/iscsit/login.go
+++ b/pkg/port/iscsit/login.go
@@ -148,7 +148,7 @@ func (conn *iscsiConnection) processLoginData() ([]util.KeyValue, error) {
 			conn.loginParam.tgtTrans = true
 		} else {
 			//Currently, we just reject these kind of cases
-			return negoKV, fmt.Errorf("reject CSG=%d,NSG=%d,trans",
+			return negoKV, fmt.Errorf("reject CSG=%d,NSG=%d,trans=%t",
 				conn.loginParam.iniCSG, conn.loginParam.iniNSG, conn.loginParam.iniTrans)
 		}
 	} else {
diff --git a/pkg/scsi/target.go b/pkg/scsi/target.go
index 30bdcd7..dcbc777 100644
--- a/pkg/scsi/target.go
+++ b/pkg/scsi/target.go
@@ -97,7 +97,7 @@ func deviceReserve(cmd *api.SCSICommand) error {
 		}
 	}
 	if lu == nil {
-		log.Errorf("invalid target and lun %d %s", cmd.Target.TID, lun)
+		log.Errorf("invalid target and lun %d %d", cmd.Target.TID, lun)
 		return nil
 	}