Comment 3 for bug 1842020

Attempting to reproduce:

$ apt-cache policy ceph-osd
ceph-osd:
  Installed: 14.2.2-0ubuntu2
  Candidate: 14.2.2-0ubuntu2
  Version table:
 *** 14.2.2-0ubuntu2 500
        500 http://gb.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
        100 /var/lib/dpkg/status

$ ceph-bluestore-tool
must specify an action; --help for help

$ ceph-bluestore-tool --help
All options:

Options:
  -h [ --help ] produce help message
  --path arg bluestore path
  --out-dir arg output directory
  -l [ --log-file ] arg log file
  --log-level arg log level (30=most, 20=lots, 10=some, 1=little)
  --dev arg device(s)
  --devs-source arg bluefs-dev-migrate source device(s)
  --dev-target arg target/resulting device
  --deep arg deep fsck (read all data)
  -k [ --key ] arg label metadata key name
  -v [ --value ] arg label metadata value

Positional options:
  --command arg fsck, repair, bluefs-export, bluefs-bdev-sizes,
                         bluefs-bdev-expand, bluefs-bdev-new-db,
                         bluefs-bdev-new-wal, bluefs-bdev-migrate, show-label,
                         set-label-key, rm-label-key, prime-osd-dir,
                         bluefs-log-dump

That said I'm running on a much new processor type.