bin/59972: lvm lvremove: confusing error messages

["campbell+netbsd%mumble.net@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         59972
>Category:       bin
>Synopsis:       lvm lvremove: confusing error messages
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Feb 07 21:05:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        10.1
>Organization:
The NetLVM Removal
>Environment:
>Description:
sheridan$ sudo lvm lvremove vg0/reporoot
  /dev/rsd0a: open failed: Operation not permitted
  /dev/rsd0e: open failed: Operation not permitted
  Logical volume "reporoot" successfully removed

Either:

(a) these error messages mean something went wrong, in which case the last line is wrong and I need to know what remedial action to take; or
(b) these error messages are spurious, in which case it is harmful to print them because it leads to warning fatigue.
>How-To-Repeat:
lvm lvremove
>Fix:
Yes, please!