7388 Support DHCP Client FQDN. Allow IAID/DUID for all v4.

*** 17,28 ****
  .\" "
  .\" " CDDL HEADER END
  .\" "
  .\" "Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  .\" "Copyright 2010, Richard Lowe
  .\" "
! .TH ONU 1ONBLD "Aug 28, 2010"
  .SH NAME
  .I onu
  \- OS/Net Update
  .SH SYNOPSIS
  \fBonu [opts] [-s <beName>] -t <beName>\fP
--- 17,29 ----
  .\" "
  .\" " CDDL HEADER END
  .\" "
  .\" "Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
  .\" "Copyright 2010, Richard Lowe
+ .\" "Copyright (c) 2016, Chris Fraire <cfraire@me.com>.
  .\" "
! .TH ONU 1ONBLD "Nov 7, 2016"
  .SH NAME
  .I onu
  \- OS/Net Update
  .SH SYNOPSIS
  \fBonu [opts] [-s <beName>] -t <beName>\fP
*** 96,105 ****
--- 97,112 ----
  .TP 4
  .B 2
  One of the commands used by the script failed.
  .SH NOTES
  .LP
+ Distributions which segment certain system directories onto separate, child
+ datasets (e.g., /var for openindiana Text Install) must run
+ .B beadm unmount <new beName>
+ after running onu or else the child dataset will not mount at the correct
+ location after reboot.
+ .LP
  Former users of bfu should note the following ways in which onu behaves
  differently from bfu.  First, as noted above, onu creates a new BE, rather
  than updating an existing BE in-place.  Second, onu will not install packages
  that are older than what is already installed in the source BE.  Third,
  conflicts in system configuration files are automatically resolved according