networkd: link - (de)serialize IPv4LL and DHCPv4 addresses

This initializes the clients to try rebinding the preexisting
addresses before doing anything else.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/network/networkd-ipv4ll.c b/src/network/networkd-ipv4ll.c
index 59abb1e8d4..ed0d861e7a 100644
--- a/src/network/networkd-ipv4ll.c
+++ b/src/network/networkd-ipv4ll.c
@@ -208,9 +208,11 @@ int ipv4ll_configure(Link *link) {
         assert(link->network);
         assert(link->network->link_local & ADDRESS_FAMILY_IPV4);
 
-        r = sd_ipv4ll_new(&link->ipv4ll);
-        if (r < 0)
-                return r;
+        if (!link->ipv4ll) {
+                r = sd_ipv4ll_new(&link->ipv4ll);
+                if (r < 0)
+                        return r;
+        }
 
         if (link->udev_device) {
                 r = net_get_unique_predictable_data(link->udev_device, seed);