From 98c1bf371c5dd613646f53fdc4796c366104f844 Mon Sep 17 00:00:00 2001
From: Kristof Provost <kp@FreeBSD.org>
Date: Wed, 8 Oct 2025 09:56:24 +0200
Subject: [PATCH] pf tests: make syncookie:loopback more robust

Give the background nc process a bit of time to start before we attempt to
connect to it.

Sponsored by:	Rubicon Communications, LLC ("Netgate")
---
 tests/sys/netpfil/pf/syncookie.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/sys/netpfil/pf/syncookie.sh b/tests/sys/netpfil/pf/syncookie.sh
index fad90f3b261..598ac17c67f 100644
--- a/tests/sys/netpfil/pf/syncookie.sh
+++ b/tests/sys/netpfil/pf/syncookie.sh
@@ -253,6 +253,9 @@ Creativity, no.
 __EOF__
 	nc -l $addr $port >out &
 
+	# Give the background nc time to start
+	sleep 1
+
 	atf_check nc -N $addr $port < in
 
 	atf_check -o file:in cat out