[Xen-devel] [PATCH] make network script not break with ipv6

[Rik van Riel <riel@xxxxxxxxxx>]

With ipv6, every network interface always has a link local
address.  This fools the network script into thinking that
xen-br0 already has a network address, and it refuses to
transfer over eth0's IP address to xen-br0.

By grepping for 'inet ' instead of just 'inet', the network
script is no longer fooled and does the right thing.  This
patch makes Xen networking work again on my Fedora system.

Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>

--- xen-unstable/tools/examples/network.orig    2005-01-24 10:57:45.000000000 
-0500
+++ xen-unstable/tools/examples/network 2005-01-24 13:24:31.000000000 -0500
@@ -61,13 +61,13 @@
     local src=$1
     local dst=$2
     # Don't bother if $dst already has IP addresses.
-    if ip addr show dev ${dst} | egrep -q '^ *inet' ; then
+    if ip addr show dev ${dst} | egrep -q '^ *inet ' ; then
         return
     fi
     # Address lines start with 'inet' and have the device in them.
     # Replace 'inet' with 'ip addr add' and change the device name $src
     # to 'dev $src'. Remove netmask as we'll add routes later.
-    ip addr show dev ${src} | egrep '^ *inet' | sed -e "
+    ip addr show dev ${src} | egrep '^ *inet ' | sed -e "
 s/inet/ip addr add/
 s@\([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\)/[0-9]\+@\1@
 s/${src}/dev ${dst}/


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