From 6be1e19d982ca87bee234e15ae159447d61013d5 Mon Sep 17 00:00:00 2001
From: Jeff Ahrenholz <j.ahrenholz@temperednetworks.com>
Date: Thu, 31 Oct 2019 13:20:28 -0700
Subject: [PATCH] don't flush IPv6 address if interface is absent

---
 daemon/core/nodes/netclient.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daemon/core/nodes/netclient.py b/daemon/core/nodes/netclient.py
index b201493f..7a9cc2d8 100644
--- a/daemon/core/nodes/netclient.py
+++ b/daemon/core/nodes/netclient.py
@@ -126,7 +126,7 @@ class LinuxNetClient:
         :param str device: device to flush
         :return: nothing
         """
-        self.run(f"{IP_BIN} -6 address flush dev {device}")
+        self.run(f"[ -e /sys/class/net/{device} ] && {IP_BIN} -6 address flush dev {device} || echo")
 
     def device_mac(self, device, mac):
         """