Kong socket-service with ingress kong-proxy

Spec details:
single k3s cluster v1.28.8+k3s1
kong ver. 3.6
kong’s resources are deployed:
pod/kong 2/2
pod/kong-db-init
pod/kong-init-migrations
pod/konga
deployment.apps/kong
deployment.apps/konga
service/kong-admin - ClusterIP- 8001/TCP,8444/TCP
service/kong-proxy - ClusterIP - 8002/TCP
service/kong-validation-webhook - ClusterIP - 443/TCP
service/konga - ClusterIP - 1337/TCP

i’m trying to login to the local server and get auth token to server, then trying to connect to websocket ( ingress kong-proxy)
socketio.exceptions.ConnectionError: Unexpected status code 503 in server response