IPv6: work around dangling routes kernel issue

diff --git a/interface-ip.c b/interface-ip.c
index fed7d72..3bd92cf 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -648,6 +648,7 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
                addr.preferred_until = now;
                if (!addr.valid_until || addr.valid_until - now > 7200)
                        addr.valid_until = now + 7200;
+               system_del_address(l3_downlink, &addr); // Work around dangling prefix routes
                system_add_address(l3_downlink, &addr);
                if (prefix->iface) {
                        if (prefix->iface->ip6table)