Delete addresses when interface is no longer autoconf.

This brings it in line with dhcpleased(8) as well as what we do for
the default route and DNS proposals.

I missed this when I rewrote the state machine to match
dhcpleased(8).

diff --git a/sbin/slaacd/engine.c b/sbin/slaacd/engine.c
index f12a8db..1412d4d 100644 (file)
--- a/sbin/slaacd/engine.c
+++ b/sbin/slaacd/engine.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: engine.c,v 1.81 2022/07/12 16:54:59 florian Exp $     */
+/*     $OpenBSD: engine.c,v 1.82 2022/07/23 09:00:10 florian Exp $     */
 
 /*
  * Copyright (c) 2017 Florian Obser <florian@openbsd.org>
@@ -2207,6 +2207,8 @@ free_address_proposal(struct address_proposal *addr_proposal)
        LIST_REMOVE(addr_proposal, entries);
        evtimer_del(&addr_proposal->timer);
        switch (addr_proposal->state) {
+       case PROPOSAL_CONFIGURED:
+       case PROPOSAL_NEARLY_EXPIRED:
        case PROPOSAL_STALE:
                withdraw_addr(addr_proposal);
                break;