Issue still persists. I have pasted full output of tyk-gateway-python.log below
vagrant@vagrant-ubuntu-trusty-64:/vagrant$ sudo cat /var/log/upstart/tyk-gateway-python.log
[Dec 20 14:34:46] INFO Connection dropped, connecting…
[Dec 20 14:34:46] INFO host-check-mgr: Starting Poller
[Dec 20 14:34:46] INFO main: Setting up analytics normaliser
[Dec 20 14:34:46] INFO main: PIDFile location set to: ./tyk-gateway.pid
[Dec 20 14:34:46] INFO main: Initialising Tyk REST API Endpoints
[Dec 20 14:34:46] INFO main: → Standard listener (http)
[Dec 20 14:34:46] INFO main: Setting up Server
[Dec 20 14:34:46] INFO main: Waiting for zeroconf signal…
[Dec 20 14:34:48] WARN pub-sub: Insecure configuration detected (allowing)!
[Dec 20 14:34:48] INFO pub-sub: Hostname set with dashboard zeroconf signal
[Dec 20 14:34:48] INFO main: Registering node.
[Dec 20 14:34:48] INFO dashboard: Node registered id=67d7fb9b-ff56-4672-734b-8d6579a99c74
[Dec 20 14:34:48] INFO main: Initialising distributed rate limiter
[Dec 20 14:34:48] INFO Starting gateway rate imiter notifications…
[Dec 20 14:34:48] INFO main: Detected 3 APIs
[Dec 20 14:34:48] INFO main: Loading API configurations.
[Dec 20 14:34:48] INFO main: Tracking hostname api_name=Test API2 domain=(no host)
[Dec 20 14:34:48] INFO main: Tracking hostname api_name=Test API3 domain=(no host)
[Dec 20 14:34:48] INFO main: Tracking hostname api_name=Test API domain=(no host)
[Dec 20 14:34:48] INFO main: Loading API api_name=Test API2
[Dec 20 14:34:48] INFO main: Checking security policy: Token api_name=Test API2
[Dec 20 14:34:48] INFO gateway: Loaded: Test API2 api_id=d7516f793fcc4c8e5e4f61bdbd800a06 org_id=585880030640fd19584db29e server_name=-- user_id=-- user_ip=–
[Dec 20 14:34:48] INFO main: Loading API api_name=Test API3
[Dec 20 14:34:48] INFO main: Checking security policy: Token api_name=Test API3
[Dec 20 14:34:48] INFO gateway: Loaded: Test API3 api_id=d2b339ac83544e246443bec559a37aa2 org_id=585880030640fd19584db29e server_name=-- user_id=-- user_ip=–
[Dec 20 14:34:48] INFO main: Loading API api_name=Test API
[Dec 20 14:34:48] INFO main: Checking security policy: Token api_name=Test API
[Dec 20 14:34:48] INFO gateway: Loaded: Test API api_id=538b1f22a3f145715135261dab32e030 org_id=585880030640fd19584db29e server_name=-- user_id=-- user_ip=–
[Dec 20 14:34:49] INFO main: Processed and listening on: /test-api2/{rest:.}
[Dec 20 14:34:49] INFO main: Processed and listening on: /test-api3/{rest:.}
[Dec 20 14:34:49] INFO main: Processed and listening on: /test-api/{rest:.*}
[Dec 20 14:34:49] INFO host-check-mgr: Loading uptime tests…
[Dec 20 14:34:49] INFO main: Initialised API Definitions
[Dec 20 14:34:49] INFO main: Loading policies
[Dec 20 14:34:49] INFO main: Using Policies from Dashboard Service
[Dec 20 14:34:49] INFO policy: Mutex lock acquired… calling
[Dec 20 14:34:49] INFO policy: Calling dashboard service for policy list
[Dec 20 14:34:49] INFO policy: Processing policy list
[Dec 20 14:34:49] INFO main: Gateway started (v2.3.0.33)
[Dec 20 14:34:49] INFO main: → Listening on address: (open interface)
[Dec 20 14:34:49] INFO main: → Listening on port: 8080
[Dec 20 14:34:49] INFO main: → PID: 16683
[Dec 20 14:34:51] INFO pub-sub: Using /opt/tyk-gateway/tyk.conf for configuration
[Dec 20 14:34:51] INFO pub-sub: Configuration request responded.