code: func (p *connectionPoolImpl) Get(
  	network string,
  	address string) (ManagedConn, error) {
  
  	handle, err := p.pool.Get(network + " " + address)
  	if err != nil {
  		return nil, err
  	}
  	return NewManagedConn(network, address, handle, p, p.options), nil
  }
docs: // This gets an active connection from the connection pool.  Note that network
  // and address arguments are ignored (The connections with point to the
  // network/address provided by the first Register call).