https://developer.apple.com/documentation/kernel/1578744-mach_port_set_seqno/
mach_port_set_seqno | Apple Developer Documentation
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apple developermachportsetdocumentation
https://jira.mariadb.org/browse/MDEV-18480
[MDEV-18480] Galera: Rolling upgrade: Assertion `xid_seqno wsrep_seqno' failed. Crash on node5...