Add CHANGES note for [GL #4251]

diff --git a/CHANGES b/CHANGES
index 0e3cce15a7809e610c90b61d3c8e5e6a0ae0859d..6ca07d41e286eae54ed7e95a4de8387c68738ab1 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+5869.  [func]          Enable use of IP(V6)_RECVERR on Linux that allows
+                       the kernel to report destination host/network
+                       unreachable errors to the userspace application.
+                       [GL #4251]
+
 5868.  [cleanup]       Use Daniel Lemire's "nearly divisionless" algorithm
                        for unbiased bounded random numbers, and move
                        re-seeding out of the hot path. [GL !6161]