Created attachment 1675995 [details]
504 error for prometheus API in console

Description of problem:
504 error for prometheus API in console and all targets are down with Kuryr network, see the attached picture. no such error with other network type
# oc get network/cluster -oyaml
apiVersion: config.openshift.io/v1
kind: Network
metadata:
  creationTimestamp: "2020-04-03T02:32:18Z"
  generation: 2
  name: cluster
  resourceVersion: "2607"
  selfLink: /apis/config.openshift.io/v1/networks/cluster
  uid: c12d517e-585d-45bc-bef1-2a566aec0acd
spec:
  clusterNetwork:
  - cidr: 10.128.0.0/14
    hostPrefix: 23
  externalIP:
    policy: {}
  networkType: Kuryr
  serviceNetwork:
  - 172.30.0.0/16
status:
  clusterNetwork:
  - cidr: 10.128.0.0/14
    hostPrefix: 23
  networkType: Kuryr
  serviceNetwork:
  - 172.30.0.0/16

all endpoints are down,see the picture, or see from CLI, example:
# token=`oc sa get-token prometheus-k8s -n openshift-monitoring`
# oc -n openshift-monitoring exec -c prometheus prometheus-k8s-0 -- curl -k -H "Authorization: Bearer $token" 'https://192.168.0.26:9100/metrics'
curl: (7) Failed connect to 192.168.0.26:9100; Connection timed out

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Login admin UI as cluster admin, check "Home -> Overview" page
2. Check targets in prometheus UI
3.

Actual results:
504 error for prometheus API in console and all targets are down with Kuryr network

Expected results:
no error

Additional info: