Add a note about OpenBSD always adding it's own lladdr

diff --git a/README b/README
index 0b4f88e1d28d6f84e8f8681008986e35d6ede351..4489ecc2587e2a83aea04dc415a6c747e795f6a4 100644 (file)
--- a/README
+++ b/README
@@ -55,6 +55,10 @@ cleared or IN6_IFF_DUPLICATED is set and take action accordingly.
 BSD systems where this has been fixed or is known to work are:
     NetBSD-7.0
 
+OpenBSD will always add it's own link-local address if no link-local address
+exists, because it doesn't check if the address we are adding is a link-local
+address or not.
+
 Some BSD systems do not announce cached neighbour route changes based
 on reachability to userland. For such systems, IPv6 routers will always
 be assumed to be reachable until they either stop being a router or expire.