Bluetooth: smp: reword pairing failed error

This makes it more user-friendly, in case no failed cb has been
registered so this error is printed out of context.

Signed-off-by: Jonathan Rico <[email protected]>

Author: jori-nordic

subsys/bluetooth/host/smp.c

@@ -1464,7 +1464,7 @@ static uint8_t smp_br_pairing_failed(struct bt_smp_br *smp, struct net_buf *buf)
 {
 	struct bt_smp_pairing_fail *req = (void *)buf->data;
 
-	BT_ERR("reason 0x%x", req->reason);
+	BT_ERR("pairing failed (peer reason 0x%x)", req->reason);
 
 	smp_pairing_br_complete(smp, req->reason);
 	smp_br_reset(smp);
@@ -3891,7 +3891,7 @@ static uint8_t smp_pairing_failed(struct bt_smp *smp, struct net_buf *buf)
 	const struct bt_conn_auth_cb *smp_auth_cb = latch_auth_cb(smp);
 	struct bt_smp_pairing_fail *req = (void *)buf->data;
 
-	BT_ERR("reason 0x%x", req->reason);
+	BT_ERR("pairing failed (peer reason 0x%x)", req->reason);
 
 	if (atomic_test_and_clear_bit(smp->flags, SMP_FLAG_USER) ||
 	    atomic_test_and_clear_bit(smp->flags, SMP_FLAG_DISPLAY)) {