MFC r253290:
 Document that a literal jail name of 0 (zero) is not allowed.

PR:		174436
Approved by:	re (glebius)
MFC r253178:

  Bump date for nvme(4) and nvd(4).

Approved by:	re (kib)
MFC r253209:

  Fix a poorly worded comment in nvme(4).

Approved by:	re (kib)
Merge remote-tracking branch 'upstream-github/stable/9' into stable/9