An another FPM instance seems to already listen on /tmp/php-cgi-71.sock

今天在更新配置重启php-fpm服务的时候遇到了这样的一个问题：

An another FPM instance seems to already listen on /tmp/php-cgi-71.sock

只要将/tmp/php-cgi-71.sock删除在重新启动php-fpm即可解决