4 files changed, 16 insertions, 0 deletions
diff --git a/examples/genl-family-get.c b/examples/genl-family-get.c
index 3e741cb..e6033af 100644
--- a/examples/genl-family-get.c
+++ b/examples/genl-family-get.c
@@ -51,6 +51,10 @@ static int data_cb(const struct nlmsghdr *nlh, void *data)
 	struct nlattr *tb[CTRL_ATTR_MAX+1];
 	struct genlmsghdr *genl = mnl_nlmsg_get_data(nlh);
 
+	/* this does not come from the kernel. */
+	if (nlh->nlmsg_pid != 0)
+		return MNL_CB_OK;
+
 	mnl_attr_parse_at_offset(nlh, sizeof(*genl), tb, CTRL_ATTR_MAX);
 	if (tb[CTRL_ATTR_FAMILY_NAME]) {
 		printf("name=%s\t",
diff --git a/examples/rtnl-link-dump.c b/examples/rtnl-link-dump.c
index 7cf061d..cc3fdf7 100644
--- a/examples/rtnl-link-dump.c
+++ b/examples/rtnl-link-dump.c
@@ -14,6 +14,10 @@ static int data_cb(const struct nlmsghdr *nlh, void *data)
 	int len = mnl_nlmsg_get_len(nlh);
 	struct nlattr *attr;
 
+	/* this does not come from the kernel. */
+	if (nlh->nlmsg_pid != 0)
+		return MNL_CB_OK;
+
 	printf("index=%d type=%d flags=%d family=%d ", 
 		ifm->ifi_index, ifm->ifi_type,
 		ifm->ifi_flags, ifm->ifi_family);
diff --git a/examples/rtnl-link-event.c b/examples/rtnl-link-event.c
index ed5a577..3cff82d 100644
--- a/examples/rtnl-link-event.c
+++ b/examples/rtnl-link-event.c
@@ -14,6 +14,10 @@ static int data_cb(const struct nlmsghdr *nlh, void *data)
 	int len = mnl_nlmsg_get_len(nlh);
 	struct nlattr *attr;
 
+	/* this does not come from the kernel. */
+	if (nlh->nlmsg_pid != 0)
+		return MNL_CB_OK;
+
 	printf("index=%d type=%d flags=%d family=%d ", 
 		ifm->ifi_index, ifm->ifi_type,
 		ifm->ifi_flags, ifm->ifi_family);
diff --git a/examples/rtnl-route-dump.c b/examples/rtnl-route-dump.c
index e8f3a0c..131d344 100644
--- a/examples/rtnl-route-dump.c
+++ b/examples/rtnl-route-dump.c
@@ -55,6 +55,10 @@ static int data_cb(const struct nlmsghdr *nlh, void *data)
 	int len = mnl_nlmsg_get_len(nlh);
 	struct nlattr *attr;
 
+	/* this does not come from the kernel. */
+	if (nlh->nlmsg_pid != 0)
+		return MNL_CB_OK;
+
 	/* protocol family = AF_INET | AF_INET6 */
 	printf("family=%u ", rm->rtm_family);