From 600bf006d3f15f170b9209d5d3a37437bfe0850e Mon Sep 17 00:00:00 2001
From: "Andrey V. Elsukov" <ae@FreeBSD.org>
Date: Wed, 2 Aug 2023 10:40:34 +0300
Subject: [PATCH] carp: delete interface routes on link loss.

Obtained from:	Yandex LLC
MFC after:	10 days
Sponsored by:	Yandex LLC
Differential Revision: https://reviews.freebsd.org/D41290
---
 sys/netinet/ip_carp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/netinet/ip_carp.c b/sys/netinet/ip_carp.c
index 935e7eaf92f..d1a41e10115 100644
--- a/sys/netinet/ip_carp.c
+++ b/sys/netinet/ip_carp.c
@@ -2159,6 +2159,7 @@ carp_sc_state(struct carp_softc *sc)
 #endif
 		carp_set_state(sc, INIT, "hardware interface down");
 		carp_setrun(sc, 0);
+		carp_delroute(sc);
 		if (!sc->sc_suppress)
 			carp_demote_adj(V_carp_ifdown_adj, "interface down");
 		sc->sc_suppress = 1;