ip monitor: Skip IPv6 ND user option messages

IPv6 router sends ND messages with RDNSS option
which causes the printing of unknown message by 'ip monitor':

    Unknown message: 0000004c 00000044 00000000

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>

diff --git a/ip/ipmonitor.c b/ip/ipmonitor.c
index 3cdbe1b9a3d5f8551bc6ff1fb318d10b2ffbcceb..088ec54674361fb5728343a5e918c68eccfb6cbe 100644 (file)
--- a/ip/ipmonitor.c
+++ b/ip/ipmonitor.c
@@ -138,7 +138,8 @@ static int accept_msg(const struct sockaddr_nl *who,
            n->nlmsg_type == RTM_NEWTCLASS ||
            n->nlmsg_type == RTM_DELTCLASS ||
            n->nlmsg_type == RTM_NEWTFILTER ||
-           n->nlmsg_type == RTM_DELTFILTER)
+           n->nlmsg_type == RTM_DELTFILTER ||
+           n->nlmsg_type == RTM_NEWNDUSEROPT)
                return 0;
        if (n->nlmsg_type != NLMSG_ERROR && n->nlmsg_type != NLMSG_NOOP &&
            n->nlmsg_type != NLMSG_DONE) {