From 67b3dd6b4715fef266eb47e68623944f8be617e0 Mon Sep 17 00:00:00 2001
From: Ross Dougherty <ross@dougherty.id.au>
Date: Wed, 20 Oct 2021 23:50:51 +1100
Subject: dhclient hooks: T3920: avoid 'too many args' error when no vrf

---
 src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup
index edb7c7b27..f060c6ee8 100644
--- a/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup
+++ b/src/etc/dhcp/dhclient-exit-hooks.d/01-vyos-cleanup
@@ -19,7 +19,7 @@ if [[ $reason =~ (EXPIRE|FAIL|RELEASE|STOP) ]]; then
     for router in $old_routers; do
         # check if we are bound to a VRF
         local vrf_name=$(basename /sys/class/net/${interface}/upper_* | sed -e 's/upper_//')
-        if [ -n $vrf_name ]; then
+        if [ "$vrf_name" != "*" ]; then
             vrf="vrf $vrf_name"
         fi
 
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