openshift OCP4: nodes ready in cluster, but loadBalancer haProxy ingress fails.

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with oc get node I can see all nodes.

$ oc get nodes
NAME                     STATUS   ROLES    AGE     VERSION
master0.ocp4.robot.com   Ready    master   9d      v1.17.1+809da40
master1.ocp4.robot.com   Ready    master   9d      v1.17.1+809da40
master2.ocp4.robot.com   Ready    master   9d      v1.17.1+809da40
worker0.ocp4.robot.com   Ready    worker   9d      v1.17.1+809da40
worker1.ocp4.robot.com   Ready    worker   9d      v1.17.1+809da40
worker2.ocp4.robot.com   Ready    worker   4d22h   v1.17.1+809da40
*worker3.ocp4.robot.com*   Ready    worker   12h     v1.17.1+809da40
(base) TPERIASA-M-33YP:~ tperiasa$ oc status
In project default on server https://api.ocp4.robot.com:6443
svc/openshift - kubernetes.default.svc.cluster.local
svc/kubernetes - 172.30.0.1:443 -> 6443

But worker3 is addeded recently and does not show up in loadbalancer haProxy ingress

Not sure how to debug this issue
haproxy configs:

frontend ingress-https
    bind *:443
    default_backend ingress-https
    mode tcp
    option tcplog

backend ingress-https
    balance source
    mode tcp
    server worker0.ocp4.robot.com worker0.ocp4.robot.com:443 check
    server worker1.ocp4.robot.com worker1.ocp4.robot.com:443 check
    server worker2.ocp4.robot.com worker2.ocp4.robot.com:443 check
    server worker3.ocp4.robot.com worker3.ocp4.robot.com:443 check

is there a way to see ingress issues in openshift4.4 (ocp4.4.x).?

tp

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