git: 728958fb1bea - main - UPDATING: document if_bridge MTU changes

[Kristof Provost]

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=728958fb1bea785e37dda4475568421ab796f8d4

commit 728958fb1bea785e37dda4475568421ab796f8d4
Author:     Kristof Provost <kp at FreeBSD.org>
AuthorDate: 2021-07-29 07:36:52 +0000
Commit:     Kristof Provost <kp at FreeBSD.org>
CommitDate: 2021-07-29 07:36:52 +0000

    UPDATING: document if_bridge MTU changes
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 UPDATING | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/UPDATING b/UPDATING
index 7e45e9aa49fd..d109cb1594a5 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,11 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 14.x IS SLOW:
 	world, or to merely disable the most expensive debugging functionality
 	at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20210729:
+	As of commit 01ad0c007964 if_bridge member interfaces can no longer
+	change their MTU. Changing the MTU of the bridge itself will change the
+	MTU on all member interfaces instead.
+
 20210716:
 	Commit ee29e6f31111 changed the internal KAPI between the nfscommon
 	and nfsd modules. Therefore, both need to be rebuilt from sources.