git: a999acabfc72 - stable/13 - Add release note about change to lowest address in IPv4 (sub)net.

The branch stable/13 has been updated by karels:

URL: https://cgit.FreeBSD.org/src/commit/?id=a999acabfc72e1730503fc49e34e1594523b0836

commit a999acabfc72e1730503fc49e34e1594523b0836
Author:     Mike Karels <karels@FreeBSD.org>
AuthorDate: 2022-04-04 21:24:34 +0000
Commit:     Mike Karels <karels@FreeBSD.org>
CommitDate: 2022-04-04 22:05:57 +0000

    Add release note about change to lowest address in IPv4 (sub)net.
    
    This change was made earlier, note it now.
    This is a direct commit.
---
 RELNOTES | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/RELNOTES b/RELNOTES
index e744f31f1ef9..ca116ee0778b 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -10,6 +10,14 @@ newline.  Entries should be separated by a newline.
 
 Changes to this file should not be MFCed.
 
+3ee882bf21af:
+	Change handling of the lowest address on an IPv4 (sub)net so that
+	packets are not sent as a broadcast unless this has been set as the 
+	broadcast address.  This makes the lowest address usable for a host.
+	The old behavior can be restored with the net.inet.ip.broadcast_lowest
+	sysctl.  For more information, see
+	https://datatracker.ietf.org/doc/draft-schoen-intarea-lowest-address/.
+
 33ff39796ffe,8719e8a951b7:
         A new rc(8) service script zfskeys allows for automatic decryption
         of ZFS datasets encrypted with ZFS native encryption during boot.