let addr_b = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1001};
let initial_data = peers[1].new_outbound_connection(id_a, fd_b.clone(), Some(addr_a.clone())).unwrap();
peers[0].new_inbound_connection(fd_a.clone(), Some(addr_b.clone())).unwrap();
let addr_b = NetAddress::IPv4{addr: [127, 0, 0, 1], port: 1001};
let initial_data = peers[1].new_outbound_connection(id_a, fd_b.clone(), Some(addr_a.clone())).unwrap();
peers[0].new_inbound_connection(fd_a.clone(), Some(addr_b.clone())).unwrap();