The bug for this issue is NTP community bug 2707. This patch has been

submitted to the community. This patch may be removed when NTP is 

upgraded to any version that has bug 2702 fixed in it.

--- ntpd/ntp_io.c

+++ ntpd/ntp_io.c

@@ -3450,19 +3450,18 @@ read_network_packet(

 	*/

 	// temporary hack...

-#ifndef HAVE_SOLARIS_PRIVS

 	if (AF_INET6 == itf->family) {

 		DPRINTF(1, ("Got an IPv6 packet, from <%s> (%d) to <%s> (%d)\n",

 			stoa(&rb->recv_srcadr),

-			IN6_IS_ADDR_LOOPBACK(&rb->recv_srcadr),

+			IN6_IS_ADDR_LOOPBACK(&rb->recv_srcadr.sa6.sin6_addr),

 			stoa(&itf->sin),

-			!IN6_IS_ADDR_LOOPBACK(&itf->sin)

+			!IN6_IS_ADDR_LOOPBACK(&itf->sin.sa6.sin6_addr)

 			));

 	}

 	if (   AF_INET6 == itf->family

-	    && IN6_IS_ADDR_LOOPBACK(&rb->recv_srcadr)

-	    && !IN6_IS_ADDR_LOOPBACK(&itf->sin)

+	    && IN6_IS_ADDR_LOOPBACK(&rb->recv_srcadr.sa6.sin6_addr)

+	    && !IN6_IS_ADDR_LOOPBACK(&itf->sin.sa6.sin6_addr)

 	   ) {

 		packets_dropped++;

 		DPRINTF(1, ("DROPPING that packet\n"));

@@ -3470,7 +3469,6 @@ read_network_packet(

 		return buflen;

 	}

 	DPRINTF(1, ("processing that packet\n"));

-#endif

 	/*

 	 * Got one.  Mark how and when it got here,