[cephadm] bootstrap fails with the error "relabeling content in /usr is not allowed" while mentioning --apply-spec file.

Issue

• cephadm bootstrap fails with the error relabeling content in /usr is not allowed while mentioning --apply-spec file.

• cephadm bootstrap fails with the below error:

  # cephadm --verbose bootstrap --mon-ip <IP> --registry-json <registry_details> --apply-spec <service.yaml>
  
  [...]
  
  /usr/bin/ceph: stderr Error: relabeling content in /usr is not allowed
  Traceback (most recent call last):
   File "/usr/sbin/cephadm", line 8140, in <module>
     main()
   File "/usr/sbin/cephadm", line 8128, in main
     r = ctx.func(ctx)
   File "/usr/sbin/cephadm", line 1730, in _default_image
     return func(ctx)
   File "/usr/sbin/cephadm", line 4156, in command_bootstrap
     out = cli(['orch', 'apply', '-i', '/tmp/spec.yml'], extra_mounts=mounts)
   File "/usr/sbin/cephadm", line 4050, in cli
     ).run(timeout=timeout)
   File "/usr/sbin/cephadm", line 3286, in run
     desc=self.entrypoint, timeout=timeout)
   File "/usr/sbin/cephadm", line 1424, in call_throws
     raise RuntimeError('Failed command: %s' % ' '.join(command))