File portblock.patch of Package resource-agents.24210

--- heartbeat/portblock.orig	2022-01-19 15:27:39.056294933 +0100
+++ heartbeat/portblock	2022-01-19 17:43:18.986060453 +0100
@@ -299,7 +299,8 @@
 tickle_remote()
 {
 	[ -z "$OCF_RESKEY_tickle_dir" ] && return
-	echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle
+	[ -f "/proc/sys/net/ipv4/tcp_tw_recycle" ] && echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle
+	[ -f "/proc/sys/net/ipv4/tcp_tw_reuse" ] && echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse
 	f=$OCF_RESKEY_tickle_dir/$OCF_RESKEY_ip
 	[ -r $f ] || return
 	$TICKLETCP -n 3 < $f