From 763aceeb733cdd927eb2de6232f0257267b6f71e Mon Sep 17 00:00:00 2001
From: Sebastiaan van Stijn <github@gone.nl>
Date: Wed, 20 Apr 2016 16:45:43 +0200
Subject: [PATCH] docs: add note about MAC addresses not being unique

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
---
 docs/reference/run.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/reference/run.md b/docs/reference/run.md
index b37dd5ae80..f885e56d8c 100644
--- a/docs/reference/run.md
+++ b/docs/reference/run.md
@@ -291,7 +291,8 @@ you can override this with `--dns`.
 
 By default, the MAC address is generated using the IP address allocated to the
 container. You can set the container's MAC address explicitly by providing a
-MAC address via the `--mac-address` parameter (format:`12:34:56:78:9a:bc`).
+MAC address via the `--mac-address` parameter (format:`12:34:56:78:9a:bc`).Be
+aware that Docker does not check if manually specified MAC addresses are unique.
 
 Supported networks :