[lnst] NetConfigDevice: ignore address deletion fail

[Jiří Pírko]

commit a4bbf01f4584b7fb3856967a6eae1edf46b10b82
Author: Ondrej Lichtner <olichtne(a)redhat.com&gt;
Date:   Mon Apr 14 15:26:33 2014 +0200

    NetConfigDevice: ignore address deletion fail
    
    The slave would crash on trying to remove an ip address that doesn't
    exist on the device. This can happen for a variety of reasons, for
    example the user removes the address in one of the tasks. This patch
    fixes the crash.
    
    Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com&gt;
    Signed-off-by: Jiri Pirko <jiri(a)resnulli.us&gt;

 lnst/Slave/NetConfigDevice.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/lnst/Slave/NetConfigDevice.py b/lnst/Slave/NetConfigDevice.py
index 39267a6..4fa1b50 100644
--- a/lnst/Slave/NetConfigDevice.py
+++ b/lnst/Slave/NetConfigDevice.py
@@ -61,7 +61,8 @@ class NetConfigDeviceGeneric(object):
         config = self._dev_config
         if "addresses" in config:
             for address in config["addresses"]:
-                exec_cmd("ip addr del %s dev %s" % (address,
config["name"]))
+                exec_cmd("ip addr del %s dev %s" % (address,
config["name"]),
+                         die_on_err=False)
         exec_cmd("ip link set %s down" % config["name"])
 
     @classmethod