+ assert(link);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ r = sd_rtnl_message_link_new(RTM_GETLINK, link->ifindex, 0, 0, &req);
+ if (r < 0) {
+ log_error("Could not allocate RTM_GETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, link_get_handler, link, 0, NULL);
+ if (r < 0) {
+ log_error("Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
+static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ Link *link = userdata;
+ int r;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_warning("Could not bring up interface '%s': %s",
+ link->ifname, strerror(-r));
+ link_enter_failed(link);
+ }