[lldpd]: Use kernel autoprobe for netlink socket .nl_pid portion of the address (#2164)

src/lldpd/patch/0002-Let-linux-kernel-to-find-appropriate-nl_pid-automa.patch

@@ -0,0 +1,25 @@
+From 2ee8585e8b716719a11235ab5c291b2f6ac9ce1a Mon Sep 17 00:00:00 2001
+From: Pavel Shirshov <pavelsh@microsoft.com>
+Date: Wed, 17 Oct 2018 21:05:58 +0000
+Subject: [PATCH] Let linux kernel to find appropriate nl_pid automatically
+
+---
+ src/daemon/netlink.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/daemon/netlink.c b/src/daemon/netlink.c
+index 1a64a23..f4227b8 100644
+--- a/src/daemon/netlink.c
++++ b/src/daemon/netlink.c
+@@ -93,7 +93,7 @@ netlink_connect(struct lldpd *cfg, int protocol, unsigned groups)
+ 	int s;
+ 	struct sockaddr_nl local = {
+ 		.nl_family = AF_NETLINK,
+-		.nl_pid = getpid(),
++		.nl_pid = 0,
+ 		.nl_groups = groups
+ 	};
+ 
+-- 
+2.7.4
+

src/lldpd/patch/series

@@ -1,2 +1,3 @@
 # This series applies on GIT commit 396961a038a38675d46f96eaa7b430b2a1f8701b
 0001-return-error-when-port-does-not-exist.patch
+0002-Let-linux-kernel-to-find-appropriate-nl_pid-automa.patch