[action] [PR:20095] [dualotr] Fix disruptions after config reload

[mssonicbld]

The device could be unstable after config reload, which results in possible packet drop and test failure.
Let's wait for more time after config reload.
And decrease the I/O verification time to 60s to reduce the test runtime.

Description of PR

Summary:
Fixes # (issue)

Type of change

• Bug fix
• Testbed and Framework(new/improvement)
• New Test case
• Skipped for non-supported platforms
• Test case improvement

Back port request

• 202205
• 202305
• 202311
• 202405
• 202411
• 202505

Approach

What is the motivation for this PR?

The device could be unstable after config reload, which results in
possible packet drop and test failure.
Let's wait for more time after config reload.
And decrease the I/O verification time to 60s to reduce the test runtime.

Signed-off-by: Longxiang Lyu <[email protected]

How did you do it?

Reload with safe_reload and wait_for_bgp to allow the DUT to recover.

How did you verify/test it?

dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-1-10] PASSED [ 10%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-2-10] PASSED [ 20%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-3-10] PASSED [ 30%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-4-10] PASSED [ 40%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-5-10] PASSED [ 50%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-6-10] PASSED [ 60%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-7-10] PASSED [ 70%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-8-10] PASSED [ 80%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-9-10] PASSED [ 90%]
dualtor_io/test_link_failure.py::test_active_link_admin_down_config_reload_downstream[active-active-10-10] PASSED [100%]

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

[mssonicbld]

Original PR: #20095

[mssonicbld]

/azp run

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