Unable to produce access logs

Hi,

I am running istio on a AKS.I tried to set up access log

helm template install/kubernetes/helm/istio --namespace=istio-system -x templates/configmap.yaml --set global.proxy.accessLogFile="/dev/stdout" | kubectl replace -f -
configmap “istio” replaced

But there are errors while I try to access the logs.How could this file not found error be fixed.

[2019-07-12 01:03:50.834][15][warning][config] [external/envoy/source/common/config/grpc_mux_subscription_impl.cc:73] gRPC config for type.googleapis.com/envoy.api.v2.Listener rejected: Error adding/updating listener(s) 10.100.38.82_8000: unable to open file ‘C:/Program Files/Git/dev/stdout’: No such file or directory, 10.0.0.1_443: unable to open file ‘C:/Program Files/Git/dev/stdout’: No such file or directory, 10.0.4.68_443: unable to open file ‘C:/Program Files/Git/dev/stdout’: No such file or directory, 10.0.234.224_15029: unable to open file ‘C:/Program Files/Git/dev/stdout’: No such file or directory, 10.0.59.0_15011: unable to open file ‘C:/Program Files/Git/dev/stdout’: No such file or directory,

Thanks,
Saravana