[ptf-py3] Support ptf dataplane packet poll with multiple ptf nn agents connection

[w1nda]

Why I did it

When testing sonic with ptf dataplane connecting multiple ptf nn agents, some cases will fail because of packets queue in ptf were not polled thoroughly. This is a bug or missing feature in ptf: p4lang/ptf#207
as a short term quick fix, this PR will patch the ptf-py3 package and unblock our qualification process.

Work item tracking

• Microsoft ADO (number only):

How I did it

Support poll all devices in ptf dataplane.

How to verify it

Run tests using ptf dataplane on testbed

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211
• 202305

Tested branch (Please provide the tested image version)

Description for the changelog

Link to config_db schema for YANG module changes

A picture of a cute animal (not mandatory but encouraged)

[w1nda]

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[w1nda]

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