【vagrant up】 default: Warning: Authentication failure. Retrying

vagrant up时系统出现如下waring信息：

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default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...

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在Vagrantfile文件里作如下修改即可将其消失：

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Vagrant.configure('2') do |config|
  config.vm.box = "hyperledger/fabric-baseimage"
  config.vm.box_version = ENV['USE_LOCAL_BASEIMAGE'] ? "0": baseimage_release # Vagrant does not support versioning local images, the local version is always implicitly version 0

  config.vm.network :forwarded_port, guest: 7050, host: 7050 # fabric orderer service
  config.vm.network :forwarded_port, guest: 7051, host: 7051 # fabric peer service
  config.vm.network :forwarded_port, guest: 7053, host: 7053 # fabric peer event service
  config.vm.network :forwarded_port, guest: 7054, host: 7054 # fabric-ca service
  config.vm.network :forwarded_port, guest: 5984, host: 15984 # CouchDB service
  config.ssh.username = "vagrant"
  config.ssh.password = "vagrant"

  config.vm.synced_folder "..", "#{SRCMOUNT}"
  config.vm.synced_folder "..", "/opt/gopath/src/github.com/hyperledger/fabric"
  config.vm.synced_folder ENV.fetch('LOCALDEVDIR', ".."), "#{LOCALDEV}"
  if File.exist?("../../fabric-ca")
    config.vm.synced_folder "../../fabric-ca", "/opt/gopath/src/github.com/hyperledger/fabric-ca"
  end

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