1 Don't change interfaces unless there is something wrong with the old one.

     2 This is NTP bug [2043] and this patch should be removed after upgrading to

     3 a version of NTP with a fix for that bug.

     4 

     5 --- ntpd/ntp_peer.c

     6 +++ ntpd/ntp_peer.c

     7 @@ -718,9 +718,13 @@

     8  	/*

     9  	 * this is called when the interface list has changed

    10  	 * give all peers a chance to find a better interface

    11 +	 * but only if either they don't have an address already

    12 +	 * or if the one they have hasn't worked for a while.

    13  	 */

    14 -	for (p = peer_list; p != NULL; p = p->p_link)

    15 -		peer_refresh_interface(p);

    16 +	for (p = peer_list; p != NULL; p = p->p_link) {

    17 +		if (!(p->dstadr && (p->reach & 0x3)))

    18 +			peer_refresh_interface(p);

    19 +	}

    20  }

    21  

    22