Upgrade flow for images RHEL/CentOS 8+ #504

Job	Run time
Check distgen generated files	20s
Container tests: 10 - fedora	4s
Container tests: 10 - rhel7	32m 45s
Container tests: 10 - rhel8	34m 44s
Container tests: 10 - rhel9	3s
Container tests: 10 - c9s	6s
Container tests: 10 - c8s	24m 13s
Container tests: 11 - fedora	3s
Container tests: 11 - rhel7	6s
Container tests: 11 - rhel8	3s
Container tests: 11 - rhel9	4s
Container tests: 11 - c9s	4s
Container tests: 11 - c8s	3s
Container tests: 12 - fedora	21m 10s
Container tests: 12 - rhel7	32m 58s
Container tests: 12 - rhel8	34m 58s
Container tests: 12 - rhel9	3s
Container tests: 12 - c9s	3s
Container tests: 12 - c8s	24m 53s
Container tests: 13 - fedora	21m 9s
Container tests: 13 - rhel7	32m 46s
Container tests: 13 - rhel8	35m 24s
Container tests: 13 - rhel9	31m 25s
Container tests: 13 - c9s	22m 8s
Container tests: 13 - c8s	24m 41s
Container tests: 14 - fedora	21m 11s
Container tests: 14 - rhel7	7s
Container tests: 14 - rhel8	6s
Container tests: 14 - rhel9	3s
Container tests: 14 - c9s	3s
Container tests: 14 - c8s	3s
Container tests: 15 - fedora	21m 21s
Container tests: 15 - rhel7	6s
Container tests: 15 - rhel8	35m 15s
Container tests: 15 - rhel9	31m 31s
Container tests: 15 - c9s	3h 9m 58s
Container tests: 15 - c8s	24m 43s
Container tests: 16 - fedora	18m 11s
Container tests: 16 - rhel7	15s
Container tests: 16 - rhel8	46m 31s
Container tests: 16 - rhel9	42m 15s
Container tests: 16 - c9s	3h 6m 53s
Container tests: 16 - c8s	24m 40s
	16h 57m 28s

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