diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ab7ca3fdc495de8e4c88f62d4f81a63f40ed96f3..846193dfb0ac42c1955468a8edc4384dbba6ebbf 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -4262,6 +4262,11 @@ static inline const char *netdev_name(const struct net_device *dev)
 	return dev->name;
 }
 
+static inline bool netdev_unregistering(const struct net_device *dev)
+{
+	return dev->reg_state == NETREG_UNREGISTERING;
+}
+
 static inline const char *netdev_reg_state(const struct net_device *dev)
 {
 	switch (dev->reg_state) {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index dc61b0b5e64edf7bd69ab905573e38415abf2346..7cebd954d5bb4263017f8f2d577ecfb88ca7c093 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2804,6 +2804,7 @@ static int fib6_ifdown(struct rt6_info *rt, void *arg)
 	if ((rt->dst.dev == dev || !dev) &&
 	    rt != adn->net->ipv6.ip6_null_entry &&
 	    (rt->rt6i_nsiblings == 0 ||
+	     (dev && netdev_unregistering(dev)) ||
 	     !rt->rt6i_idev->cnf.ignore_routes_with_linkdown))
 		return -1;