Union #818 #821 #822 #2519

Job	Run time
Build CI distro matrix	1s
Unit test (almalinux-9, amd64, latest)	4m 44s
Unit test (amazonlinux-2, amd64, latest)	3m 38s
Unit test (centos-7, amd64, latest)	4m 2s
Unit test (centos-8, amd64, latest)	3m 43s
Unit test (debian-10, amd64, latest)	3m 30s
Unit test (debian-11, amd64, latest)	3m 30s
Unit test (debian-12, amd64, latest)	6m 26s
Unit test (mariner-2, amd64, latest)	4m 24s
Unit test (oraclelinux-7, amd64, latest)	3m 33s
Unit test (oraclelinux-8, amd64, latest)	4m 15s
Unit test (rhel-7, amd64, latest)	2m 44s
Unit test (rhel-8, amd64, latest)	4m 13s
Unit test (rhel-9, amd64, latest)	4m 18s
Unit test (sles-15, amd64, latest)	4m 29s
Unit test (ubuntu-20.04, amd64, latest)	5m 22s
Unit test (ubuntu-22.04, amd64, latest)	4m 24s
Report	6s
	1h 7m 22s

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