func (c *HostClient) LastUseTime() time.Time {
	n := atomic.LoadUint32(&c.lastUseTime)
	return time.Unix(startTimeUnix+int64(n), 0)
}
func (c *HostClient) LastUseTime() time.Time {
	n := atomic.LoadUint32(&c.lastUseTime)
	return time.Unix(startTimeUnix+int64(n), 0)
}
// LastUseTime returns time the client was last used