message: fix(netbench): allow local ip arg to be set from an environment variable
diff: @@ -69,7 +69,7 @@ pub struct Client {
  #[structopt(long, default_value = "netbench")]
  pub application_protocols: Vec<String>,
  - #[structopt(short, long, default_value = "::")]
  + #[structopt(short, long, default_value = "::", env = "LOCAL_IP")]
  pub local_ip: IpAddr,
  #[structopt(long, default_value = "0", env = "CLIENT_ID")]
  