upf.StringVar(&upArgs.hostname,"hostname","","hostname to use instead of the one provided by the OS")
upf.StringVar(&upArgs.advertiseRoutes,"advertise-routes","","routes to advertise to other nodes (comma-separated, e.g. \"10.0.0.0/8,192.168.0.0/24\") or empty string to not advertise routes")
upf.BoolVar(&upArgs.advertiseDefaultRoute,"advertise-exit-node",false,"offer to be an exit node for internet traffic for the tailnet")
ifsafesocket.GOOSUsesPeerCreds(goos){
upf.StringVar(&upArgs.opUser,"operator","","Unix username to allow to operate on tailscaled without sudo")