code: func (m *CoreOSMachine) Refresh() {
  	m.RLock()
  	defer m.RUnlock()
  
  	cs := m.currentState()
  	if cs == nil {
  		log.Warning("Unable to refresh machine state")
  	} else {
  		m.dynamicState = cs
  	}
  }
docs: // Refresh updates the current state of the CoreOSMachine.