K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2021-07-31T00:23:12.037672Z
K 7
svn:log
V 321
Use symbolic names for asych events

Rather than |= 0x300, define and use asyn event names for the name
space changes and the firmware activations that we're asking for.

(cherry picked from commit 881534f09cccbf4bc749be22eb34ad57b5c13563)

Git Hash:   d46fa8be05a75e1d580e3311f87e0c0d63db7de9
Git Author: imp@FreeBSD.org
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