Do you want to request a feature or report a bug?
Bug report.

What is the current behavior?
When i create link in node_modules and set symlinks to false, I have problem with watch, it works sometimes (more often it doesn`t work)

If the current behavior is a bug, please provide the steps to reproduce.

1. create link
2. set symlinks to false
3. change file by link

What is the expected behavior?
Watch must work

If this is a feature request, what is motivation or use case for changing the behavior?

Please mention other relevant information such as the browser version, Node.js version, webpack version and Operating System.

node v8.9.3
npm 5.6.0
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
4.4.0-83-generic
webpack 3.10.0