MGT-1: Updated the script with management vrf name and added deviation for table-connection config

[mohanasm]

1. Updated the script with management vrf name for Juniper (Refer b/271899732#comment46)
2. Added deviation for table-connection config. (Refer b/341905389)
3. Updated traffic verification with flow metrics and interface statistics to avoid counting control packets.

[OpenConfigBot]

Pull Request Functional Test Report for #3009 / 89a2875629c82e7d928fefbfd795e50ecd018242

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		MGT-1: Management HA solution test
Cisco 8000E		MGT-1: Management HA solution test
Cisco XRd		MGT-1: Management HA solution test
Juniper ncPTX		MGT-1: Management HA solution test
Nokia SR Linux		MGT-1: Management HA solution test
Openconfig Lemming		MGT-1: Management HA solution test

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		MGT-1: Management HA solution test
Cisco 8808		MGT-1: Management HA solution test
Juniper PTX10008		MGT-1: Management HA solution test
Nokia 7250 IXR-10e		MGT-1: Management HA solution test

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[coveralls]

Pull Request Test Coverage Report for Build 10676320481

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 55.252%

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Totals
Change from base Build 10633935381:	0.0%
Covered Lines:	1983
Relevant Lines:	3589

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💛 - Coveralls