From 994b549ef1c0fd1307cb84cd3f8fd9943bf3ab5b Mon Sep 17 00:00:00 2001
From: "cl349@firebug.cl.cam.ac.uk" <cl349@firebug.cl.cam.ac.uk>
Date: Tue, 17 May 2005 14:45:00 +0000
Subject: [PATCH] bitkeeper revision 1.1429.2.2
 (428a036cO1cnBZO53U3HCW-Lk42RtA)

network:
  Handle xend restart -- don't take down the network setup and don't
  initialize it if it looks already initialized.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
---
 tools/examples/network | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/examples/network b/tools/examples/network
index 47daae95b0..4bec37f5be 100755
--- a/tools/examples/network
+++ b/tools/examples/network
@@ -164,6 +164,10 @@ op_start () {
 
     create_bridge ${bridge}
 
+    if ifconfig 2>/dev/null | grep -q veth0 ; then
+        return
+    fi
+
     if ifconfig veth0 2>/dev/null | grep -q veth0 ; then
         # Propagate MAC address and ARP responsibilities to virtual interface.
         mac=`ifconfig ${netdev} | grep HWadd | sed -e 's/.*\(..:..:..:..:..:..\).*/\1/'`
@@ -197,6 +201,8 @@ op_stop () {
         return
     fi
 
+    return
+
     brctl delif ${bridge} ${netdev}
 
     if ifconfig veth0 2>/dev/null | grep -q veth0 ; then
-- 
2.30.2