Cloudfront favicon error in Rails 4.2.6

[Chrome] [2016-03-18 04:19:04.221] [56b01676-4491-4c4e-9458-666168fb7267] [info] [d1b5oz78c0udqh.cloudfront.net] [182.96.98.1] [session_id : None] [PID-12309] 

ActionController::RoutingError (No route matches [GET] "/favicon.ico"):

  actionpack (4.2.6) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'

  actionpack (4.2.6) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'

  railties (4.2.6) lib/rails/rack/logger.rb:38:in `call_app'

  railties (4.2.6) lib/rails/rack/logger.rb:20:in `block in call'

  activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `block in tagged'

  activesupport (4.2.6) lib/active_support/tagged_logging.rb:26:in `tagged'

  activesupport (4.2.6) lib/active_support/tagged_logging.rb:68:in `tagged'

  railties (4.2.6) lib/rails/rack/logger.rb:20:in `call'

  actionpack (4.2.6) lib/action_dispatch/middleware/request_id.rb:21:in `call'

  rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'

  rack (1.6.4) lib/rack/runtime.rb:18:in `call'

  activesupport (4.2.6) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'

  rack (1.6.4) lib/rack/sendfile.rb:113:in `call'

  actionpack (4.2.6) lib/action_dispatch/middleware/ssl.rb:24:in `call'

  railties (4.2.6) lib/rails/engine.rb:518:in `call'

  railties (4.2.6) lib/rails/application.rb:165:in `call'

  passenger (5.0.25) src/ruby_supportlib/phusion_passenger/rack/thread_handler_extension.rb:97:in `process_request'

  passenger (5.0.25) src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:152:in `accept_and_process_next_request'

  passenger (5.0.25) src/ruby_supportlib/phusion_passenger/request_handler/thread_handler.rb:113:in `main_loop'

  passenger (5.0.25) src/ruby_supportlib/phusion_passenger/request_handler.rb:416:in `block (3 levels) in start_threads'

  passenger (5.0.25) src/ruby_supportlib/phusion_passenger/utils.rb:113:in `block in create_thread_and_abort_on_exception'

Resolution:

In layout file use this:

  <%= favicon_link_tag 'favicon.ico' %>

instead of:

  <%= favicon_link_tag  %>