[action] [PR:17173] [dualtor-io] Update the ignored kill-bgp errors

[mssonicbld]

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

• 202012
• 202205
• 202305
• 202311
• 202405
• 202411

Approach

What is the motivation for this PR?

The following errors should be ignored as bgpd is killed:

E Match Messages:
E 2025 Feb 5 23:19:11.881870 str2-7050cx3-acs-07 ERR bgp#bgpmon: *ERROR* Failed with rc:1 when execute: ['vtysh', '-H', '/dev/null', '-c', 'show bgp summary json']
E 
E 2025 Feb 5 23:19:25.232074 str2-7050cx3-acs-07 ERR bgp#mgmtd[33]: [X3G8F-PM93W] BE-adapter: mgmt_msg_read: got EOF/disconnect
E 
E 2025 Feb 5 23:19:25.565904 str2-7050cx3-acs-07 ERR bgp#mgmtd[33]: [X3G8F-PM93W] BE-adapter: mgmt_msg_read: got EOF/disconnect

Signed-off-by: Longxiang [email protected]

How did you do it?

Add regex strings to the ignore list.

How did you verify/test it?

dualtor_io/test_tor_bgp_failure.py::test_standby_tor_kill_bgpd_downstream_active[active-standby] PASSED [100%]

============================================================================= 1 passed, 14 warnings in 615.54s (0:10:15) =============================================================================

Any platform specific information?

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

Documentation

[mssonicbld]

/azp run

[mssonicbld]

Original PR: #17173

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