in codelabs/health_data_analysis_codelab/src/usleep/workload.go [45:55]
func getInboundIP() net.IP {
conn, err := net.Dial("udp", "8.8.8.8:80")
if err != nil {
panic(err)
}
defer conn.Close()
localAddr := conn.LocalAddr().(*net.UDPAddr)
return localAddr.IP
}