Demo: Bookbuyer refused by bookstore with HTTP 404

[farhan7500]

Bug description:
The counter for books sold and books bought does not increment when the SMI policy is set after executing traffic-access-v1.yaml

OSM version:
ubuntu@ubuntu:~$ osm version Version: v0.9.0; Commit: 96498ba51205a08530b17b17d5ee0d53b005f874; Date: 2021-06-14-22:14

When enablePermissiveTrafficPolicyMode is set to true:

Fetching http://bookstore.bookstore:14001/books-bought
Request Headers: map[Client-App:[bookbuyer] User-Agent:[Go-http-client/1.1]]
Identity: bookstore-v1
Booksbought: 24
Server: envoy
Date: Thu, 17 Jun 2021 10:30:12 GMT
Status: 200 OK
MAESTRO! THIS TEST SUCCEEDED!

Fetching http://bookstore.bookstore:14001/buy-a-book/new
Request Headers: map[]
Identity: bookstore-v1
Booksbought: 25
Server: envoy
Date: Thu, 17 Jun 2021 10:30:12 GMT
Status: 200 OK
10:30AM INF BooksCountV1=21970720 component=demo file=books.go:167
MAESTRO! THIS TEST SUCCEEDED! 

When enablePermissiveTrafficPolicyMode is set to false:

Fetching http://bookstore.bookstore:14001/buy-a-book/new
Request Headers: map[]
Identity: n/a
Booksbought: n/a
Server: envoy
Date: Thu, 17 Jun 2021 10:19:48 GMT
Status: 404 Not Found
ERROR: response code for "http://bookstore.bookstore:14001/buy-a-book/new" is 404;  expected 200

Fetching http://bookstore.bookstore:14001/books-bought
Request Headers: map[Client-App:[bookbuyer] User-Agent:[Go-http-client/1.1]]
Identity: n/a
Booksbought: n/a
Server: envoy
Date: Thu, 17 Jun 2021 10:19:48 GMT
Status: 404 Not Found
ERROR: response code for "http://bookstore.bookstore:14001/books-bought" is 404;  expected 200

Affected area (please mark with X where applicable):

• Install [ ]
• SMI Traffic Access Policy [ ]
• SMI Traffic Specs Policy [ ]
• SMI Traffic Split Policy [ ]
• Permissive Traffic Policy [ ]
• Ingress [ ]
• Egress [ ]
• Envoy Control Plane [ ]
• CLI Tool [ ]
• Metrics [ ]
• Certificate Management [ ]
• Sidecar Injection [ ]
• Logging [ ]
• Debugging [ ]
• Tests [ ]
• Demo [ *]
• CI System [ ]

Expected behavior:
The communication should begin between bookbuyer and bookstore

Steps to reproduce the bug (as precisely as possible):
https://release-v0-9.docs.openservicemesh.io/docs/getting_started/manual_demo/

How was OSM installed?:
https://release-v0-9.docs.openservicemesh.io/docs/getting_started/manual_demo/

Anything else we need to know?:

Environment: Kubernetes

• OSM version (use osm version): v0.9.0
• Kubernetes version (use kubectl version):

Server Version: version.Info{Major:"1", Minor:"19", GitVersion:"v1.19.7", GitCommit:"8ff64bd4edf690c75fcf172eeaaad21b929f3cbf", GitTreeState:"clean", BuildDate:"2021-03-15T07:51:22Z", GoVersion:"go1.15.5 BoringCrypto", Compiler:"gc", Platform:"linux/amd64"}

• Size of cluster (number of worker nodes in the cluster): 3 workers
• Others: