add NetworkManager system-connections bond property cloned-mac-address

[uos-yangfei]

Proposed Commit Message

<type>(optional scope): <summary>  # no more than 72 characters

A description of what the change being made is and why it is being
made if the summary line is insufficient.  This should be wrapped at
72 characters.

If you need to write multiple paragraphs, feel free.

Fixes GH-NNNNN (GitHub Issue number. Remove line if irrelevant)
LP: #NNNNNN (Launchpad bug number. Remove line if irrelevant)

Additional Context

Test Steps

Merge type

• Squash merge using "Proposed Commit Message"
• Rebase and merge unique commits. Requires commit messages per-commit each referencing the pull request number (#<PR_NUM>)

[github-actions]

Hello! Thank you for this proposed change to cloud-init. This pull request is now marked as stale as it has not seen any activity in 14 days. If no activity occurs within the next 7 days, this pull request will automatically close.

If you are waiting for code review and you are seeing this message, apologies! Please reply, tagging blackboxsw, and he will ensure that someone takes a look soon.

(If the pull request is closed and you would like to continue working on it, please do tag blackboxsw to reopen it.)

[blackboxsw]

Thank you for the contribution @uos-yangfei. Please explain use-case you are trying to solve clearly in the pull request and the desired results. Also, follow the development requirements which suggests test coverage and a clean CI report for us to review this PR.