net: Temporarily inc network_family_autoselection_attempt_timeout to 500ms

The timeout currently closes the connection instead of supporting
parallel connections. This should be reset to 250ms if parallel
connections are implemented as per RFC 8305.

Author: hvanness

doc/api/net.md

@@ -1867,7 +1867,7 @@ added:
 -->
 
 Gets the current default value of the `autoSelectFamilyAttemptTimeout` option of [`socket.connect(options)`][].
-The initial default value is `250` or the value specified via the command line
+The initial default value is `500` or the value specified via the command line
 option `--network-family-autoselection-attempt-timeout`.
 
 * Returns: {number} The current default value of the `autoSelectFamilyAttemptTimeout` option.

src/node_options.h

@@ -151,7 +151,7 @@ class EnvironmentOptions : public Options {
   int64_t heap_snapshot_near_heap_limit = 0;
   std::string heap_snapshot_signal;
   bool network_family_autoselection = true;
-  uint64_t network_family_autoselection_attempt_timeout = 250;
+  uint64_t network_family_autoselection_attempt_timeout = 500;
   uint64_t max_http_header_size = 16 * 1024;
   bool deprecation = true;
   bool force_async_hooks_checks = true;

test/parallel/test-net-autoselectfamily-attempt-timeout-default-value.js

@@ -5,4 +5,4 @@ const { platformTimeout } = require('../common');
 const assert = require('assert');
 const { getDefaultAutoSelectFamilyAttemptTimeout } = require('net');
 
-assert.strictEqual(getDefaultAutoSelectFamilyAttemptTimeout(), platformTimeout(2500));
+assert.strictEqual(getDefaultAutoSelectFamilyAttemptTimeout(), platformTimeout(5000));