networkd: flush DNSSL/RDNSS lists when we lose carrier

Fixes: #3870

1 files changed, 4 insertions, 3 deletions

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index d9e060b6cf..aefe7335b9 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -514,13 +514,12 @@ static void link_free(Link *link) {
         sd_lldp_unref(link->lldp);
         free(link->lldp_file);
 
+        ndisc_flush(link);
+
         sd_ipv4ll_unref(link->ipv4ll);
         sd_dhcp6_client_unref(link->dhcp6_client);
         sd_ndisc_unref(link->ndisc);
 
-        set_free_free(link->ndisc_rdnss);
-        set_free_free(link->ndisc_dnssl);
-
         if (link->manager)
                 hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
 
@@ -2427,6 +2426,8 @@ static int link_drop_config(Link *link) {
                         return r;
         }
 
+        ndisc_flush(link);
+
         return 0;
 }