From 58a797d5f93078b38d0cad739907ad538c5b41b0 Mon Sep 17 00:00:00 2001
From: Victor Lowther <victor.lowther-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Wed, 25 Feb 2009 18:42:14 -0800
Subject: [PATCH] Do not run dhclient if the interface is already up.

---
 hooks/run-dhclient.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hooks/run-dhclient.sh b/hooks/run-dhclient.sh
index fcf890ef..afab0370 100755
--- a/hooks/run-dhclient.sh
+++ b/hooks/run-dhclient.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 for i in /net.*.dhcp; do
     dev=${i#net.}; dev=${i%.dhcp}
+    [ -f "/net.$dev.up" ] && continue
     dhclient -1 -q $dev &
 done
 wait