[fix] duniter/duniter#997

run.js

@@ -7,6 +7,13 @@ if (process.argv.length === 2) {
   process.argv.push('direct_webstart');
 }
 
+process.on('uncaughtException', (err) => {
+  // Dunno why this specific exception is not caught
+  if (err.code !== "EADDRNOTAVAIL" && err.code !== "EINVAL" && err.code !== "ENOENT") {
+    process.exit(2);
+  }
+})
+
 const stack = require('duniter').statics.autoStack([{
   name: 'duniter-ui',
   required: require('./index')