!33 revert upstream patch to avoid functional changes

From: @XWwalker 
Reviewed-by: @jiangheng12 
Signed-off-by: @jiangheng12

backport-add-the-socket-option-IPV6_MULTICAST_LOOP.patch

@@ -1,31 +0,0 @@
-From bc8f31629d3d6eaaf273781d0b4c83e81bebe0eb Mon Sep 17 00:00:00 2001
-From: Wei Xing <skyxwwalker@gmail.com>
-Date: Mon, 18 Dec 2023 02:16:09 +0800
-Subject: [PATCH]  Add the socket option IPV6_MULTICAST_LOOP to prevent the
- interface from autoconfiguring using RA messages sent by itself.
-
-Reference:https://github.com/radvd-project/radvd/commit/bc8f31629d3d6eaaf273781d0b4c83e81bebe0eb
-Conflict:NA
-
----
- socket.c | 7 +++++++
- 1 file changed, 7 insertions(+)
-
-diff --git a/socket.c b/socket.c
-index 849ed744..547fe939 100644
---- a/socket.c
-+++ b/socket.c
-@@ -65,6 +65,13 @@ int open_icmpv6_socket(void)
- 		flog(LOG_ERR, "setsockopt(IPV6_MULTICAST_HOPS): %s", strerror(errno));
- 		return -1;
- 	}
-+
-+        err = setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (int[]){0}, sizeof(int));
-+        if (err < 0) {
-+                flog(LOG_ERR, "setsockopt(IPV6_MULTICAST_LOOP): %s", strerror(errno));
-+                return -1;
-+        }
-+
- #ifdef IPV6_RECVHOPLIMIT
- 	err = setsockopt(sock, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, (int[]){1}, sizeof(int));
- 	if (err < 0) {

radvd.spec

@@ -1,6 +1,6 @@
 Name:	     	radvd
 Version:	2.19
-Release:	3
+Release:	4
 Summary:  	Router ADVertisement Daemon for IPv6
 License:	BSD with advertising
 URL:		http://www.litech.org/radvd/
@@ -9,7 +9,6 @@ Source1:        radvd-tmpfs.conf
 Source2:        radvd.service
 
 Patch6000:	backport-add-IPV6_DROP_MEMBERSHIP-to-clean-up-resources-when-.patch	
-Patch6001:      backport-add-the-socket-option-IPV6_MULTICAST_LOOP.patch
 
 BuildRequires:	gcc bison flex flex-static pkgconfig check-devel systemd
 Requires(pre):	shadow-utils
@@ -91,6 +90,12 @@ exit 0
 %{_mandir}/*/*
 
 %changelog
+* Mon Mar 10 2025 xingwei <xingwei14@h-partners.com> - 2.19-4
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:revert upstream patch to avoid functional changes
+
 * Fri Oct 11 2024 lifeifei <lifeifei@kylinos.cn> - 2.19-3
 - Type:bugfix
 - Id:NA