urql + graphql-ws network error

client.js

  pipe(
    client.subscription(query, variables),
    subscribe(result => {
      try {
        if (result.error) {
          throw result.error
        }
        ...
      } catch (err) {
        // log the error here
      }
    }),
  )

err.js

{
  "type": "b",
  "message": "[Network] undefined",
  "name": "CombinedError",
  "graphQLErrors": [],
  "networkError": {
    "target": {
      "_events": {},
      "_eventsCount": 4,
      "_binaryType": "nodebuffer",
      "_closeCode": 1006,
      "_closeFrameReceived": false,
      "_closeFrameSent": false,
      "_closeMessage": "",
      "_closeTimer": null,
      "_extensions": {},
      "_protocol": "",
      "_readyState": 3,
      "_receiver": null,
      "_sender": null,
      "_socket": null,
      "_bufferedAmount": 0,
      "_isServer": false,
      "_redirects": 0,
      "_url": "ws://gateway-agent.default.svc.cluster.local:6702",
      "_req": null
    },
    "type": "close",
    "wasClean": false,
    "reason": "",
    "code": 1006
  }
}

@Jannis how did you resolve this issue? I am seeing the same with Hasura and urql