fixup! net/gnrc_netif: add gnrc_netif_up()/gnrc_netif_down()

Author: benpicco

sys/net/gnrc/netif/gnrc_netif.c

@@ -1465,10 +1465,19 @@ static int _change_state_and_wait(gnrc_netif_t *netif, netopt_state_t state, uns
 {
     int res = 0;
 #if IS_USED(MODULE_GNRC_NETIF_BUS)
+    gnrc_netif_event_t event;
+
+    if ((state == NETOPT_STATE_SLEEP) || (state == NETOPT_STATE_OFF) ||
+        (state == NETOPT_STATE_STANDBY)) {
+        event = GNRC_NETIF_EVENT_LINK_STATE_CHANGED_DOWN;
+    } else {
+        event = GNRC_NETIF_EVENT_LINK_STATE_CHANGED_UP;
+    }
+
     msg_bus_entry_t sub;
     msg_bus_t *bus = gnrc_netif_get_bus(netif, GNRC_NETIF_BUS_IFACE);
     msg_bus_attach(bus, &sub);
-    msg_bus_subscribe(&sub, GNRC_IPV6_EVENT_ADDR_VALID);
+    msg_bus_subscribe(&sub, event);
 #endif
 
     while (gnrc_netapi_set(netif->pid, NETOPT_STATE, 0, &state, sizeof(state)) == -EBUSY) {}