[master] 265a3ff More docs about the effects of UDS on logging in "Upgrading".

[Geoff Simmons]

commit 265a3ff12551dc83c8c5bcd3596a8a6b272e18d4
Author: Geoff Simmons <geoff at uplex.de>
Date:   Mon Mar 12 17:54:59 2018 +0100

    More docs about the effects of UDS on logging in "Upgrading".

diff --git a/doc/sphinx/whats-new/upgrading-6.0.rst b/doc/sphinx/whats-new/upgrading-6.0.rst
index c2eb6d6..4d835e8 100644
--- a/doc/sphinx/whats-new/upgrading-6.0.rst
+++ b/doc/sphinx/whats-new/upgrading-6.0.rst
@@ -418,11 +418,17 @@ Other changes
 
   * ``0.0.0.0`` and port ``0`` appear in the logs where an IP and port
     otherwise appear, when the connection in question was addressed as
-    a Unix domain socket. This affects ``ReqStart`` and ``SessOpen``.
+    a Unix domain socket. This affects ``ReqStart``, ``SessOpen``,
+    ``BackendStart`` and ``BackendOpen``.
+
     If you have more than one UDS listener, they can be distinguished
     with the "listener name" field -- the third field for both
     ``ReqStart`` and ``SessOpen``.
 
+    If you have more than one UDS backend, they can be distinguished
+    with the backend name field -- the second field in
+    ``BackendOpen``.
+
 * ``varnishtest(1)``:
 
   * The ``client -connect`` and ``server -listen`` commands in vtc