p.LastSent = now
if _, err := conn.WriteTo(append(p.frame, p.tag[:]...), p.Addr); err != nil {
log.Println("Error sending UDP", err)
p.LastSent = now
if _, err := conn.WriteTo(append(p.frame, p.tag[:]...), p.Addr); err != nil {
log.Println("Error sending UDP", err)