Reference: https://src.fedoraproject.org/rpms/dhcp/blob/rawhide/f/0026-Add-dhclient-5-B-option-description.patch
From aa328eef58ff93110f2a52cb3a80002ab8cee36e Mon Sep 17 00:00:00 2001
From: Pavel Zhukov <pzhukov@redhat.com>
Date: Tue, 22 Oct 2019 16:28:04 +0200
Subject: [PATCH 26/28] Add dhclient(5) -B option description

Bug-Url: https://bugzilla.redhat.com/1764088
---
 client/dhclient.8 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/client/dhclient.8 b/client/dhclient.8
index bacf3bc..76f0cc0 100644
--- a/client/dhclient.8
+++ b/client/dhclient.8
@@ -553,6 +553,11 @@ Path to the network configuration script invoked by
 when it gets a lease.  If unspecified, the default
 .B CLIENTBINDIR/dhclient-script
 is used.  See \fBdhclient-script(8)\fR for a description of this file.
+.TP
+.BI \-B
+Always set the bootp broadcast flag in request packets, so that
+servers will always broadcast replies. This option is provided as
+an extension to enable dhclient to work on IBM s390 Linux guests.
 .PP
 .SH PORTS
 During operations the client may use multiple UDP ports
-- 
2.35.1

