响应本机端口8081已经在使用，packager要么没有运行，要么没有运行正确的命令/bin/sh失败的退出代码2。

I'm trying to get up and running with react native and I am seeing the below message in xcode. I went to the react native Troubleshooting page and tried to kill port 8081 process, but I'm still getting the same issue. Also, I have attached a screenshot of what I am seeing in xcode. Any help would be fully appreciated.I'm trying to get up and running with react nat