Qmulconfignetwork

[ChristopherWalker]

The PR is to fix issue #6142

The modification includes

## Add -r option to confignetwork to remove unconfigured network devices (note If device has parameters defined in xCAT, leave it alone)

##item2

The UT result

##The UT output##

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Please remove this line and above for tasks or features

The PR is for task #xxx or to implement feature #xxx

##Feature description##

The content of the PR:

• ##The mini-design link
• ##The basic code logic

The UT result

##The UT output##

[ChristopherWalker]

It's not clear that this is completely ready to be pulled - I'd welcome some code review.

[CLAassistant]

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1 out of 2 committers have signed the CLA.

✅ ChristopherWalker
❌ Christopher J. Walker

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