kernelcmdlineconfig: Use args from first entry when multiple entries … #4134

Job	Run time
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.12...	54s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 21s
Run unit tests in containers (Run unit tests for el9toel10 and common repositories on python 3.9,...	52s
Run unit tests in containers (Run python linters for el9toel10 and common repositories on python ...	1m 16s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.9, ...	58s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	1m 36s
Run unit tests in containers (Run unit tests for el8toel9 and common repositories on python 3.6, ...	1m 8s
Run unit tests in containers (Run python linters for el8toel9 and common repositories on python 3...	3m 24s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 3.6, ...	1m 23s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 3...	4m 13s
Run unit tests in containers (Run unit tests for el7toel8 and common repositories on python 2.7, ...	1m 30s
Run unit tests in containers (Run python linters for el7toel8 and common repositories on python 2...	6m 46s
	25m 21s

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