解决vagrant导入新box启动时认证错误
上午在办公室打包了一个Ubuntu14.04+PHP7+Mysql5.7+Apache2.4的box,吃完晚饭按部就班地导入到MBP里继续写代码，结果就在私钥认证时出现了：
default: Warning: Remote connection disconnect. Retrying...
default: Warning: Connection reset. Retrying...
上午在办公室打包了一个Ubuntu14.04+PHP7+Mysql5.7+Apache2.4的box,吃完晚饭按部就班地导入到MBP里继续写代码，结果就在私钥认证时出现了：
default: Warning: Remote connection disconnect. Retrying...
default: Warning: Connection reset. Retrying...