static void ack_complete(uint16_t duration, int err, void *user_data)
{
	BT_DBG("xact 0x%x complete", (uint8_t)link.tx.pending_ack);
	atomic_clear_bit(link.flags, ADV_ACK_PENDING);
}
static void ack_complete(uint16_t duration, int err, void *user_data)
{
	BT_DBG("xact 0x%x complete", (uint8_t)link.tx.pending_ack);
	atomic_clear_bit(link.flags, ADV_ACK_PENDING);
}