ping:support ping a specified node and remove duplicate port printing

[dormanze]

Community Contribution License

All community contributions in this pull request are licensed to the project maintainers
under the terms of the Apache 2 license.
By creating this pull request I represent that I have the right to license the
contributions to the project maintainers under the Apache 2 license.

Description

The output of the ping command repeatedly displays port information.

You cannot ping a specific node. You can only view information about all nodes.

Motivation and Context

When there are a large number of node, it is difficult to view the ping result of an node.

How to test this PR?

mc ping myminio --node minio-1.minio-headless.kube-system.svc.cluster.local:8989

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here

[dormanze]

After I update your commit, my testcase fails to be executed. Can you help me fix the problem?@harshavardhana I'm very grateful.

[klauspost]

Sent fix in #5134