sd-dhcp6-client: bind to link-local address

This ensures that several DHCPv6 clients can run on separate interfaces
simultaneously.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index c0562e5788..1ce1f4d8d6 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -347,9 +347,9 @@ int address_update(Address *address, unsigned char flags, unsigned char scope, s
                         link_check_ready(address->link);
 
                         if (address->family == AF_INET6 &&
-                            in_addr_is_link_local(AF_INET6, &address->in_addr) &&
-                            !address->link->ipv6ll_address) {
-                                r = link_ipv6ll_gained(address->link);
+                            in_addr_is_link_local(AF_INET6, &address->in_addr) > 0 &&
+                            in_addr_is_null(AF_INET6, (const union in_addr_union*) &address->link->ipv6ll_address) > 0) {
+                                r = link_ipv6ll_gained(address->link, &address->in_addr.in6);
                                 if (r < 0)
                                         return r;
                         }