K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2019-07-31T03:48:48.005273Z
K 7
svn:log
V 136
Fix usage printing for nested subcommands.

Instead of `nvmecontrol create` should be `nvmecontrol ns create`, etc.

MFC after:	2 weeks

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