Read guid mandatory from cni-args

[coveralls]

Pull Request Test Coverage Report for Build 13

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+3.06%) to 53.441%

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Totals
Change from base Build 12:	3.06%
Covered Lines:	132
Relevant Lines:	247

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💛 - Coveralls