=== 파드 상태의 진실 — Running 인데 노드가 없다 ===
a2-probe                    Running   true    kc-lab-2   <none>
keycloak-0                  Running   true    kc-lab-2   <none>
keycloak-1                  Running   false   kc-lab-1   <none>
postgres-7b474b88c8-2gf27   Running   true    kc-lab-2   <none>

=== 재배치가 시도되었는가 ===
10m         Warning   Unhealthy           pod/keycloak-0                   Readiness probe failed: Get "http://10.42.1.67:9000/health/ready": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
3m15s       Warning   NodeNotReady        pod/postgres-7b474b88c8-2gf27    Node is not ready
3m15s       Warning   NodeNotReady        pod/keycloak-0                   Node is not ready
3m15s       Warning   NodeNotReady        pod/a2-probe                     Node is not ready
2m27s       Warning   Unhealthy           pod/keycloak-1                   Readiness probe failed: Get "http://10.42.0.35:9000/health/ready": context deadline exceeded (Client.Timeout exceeded while awaiting headers)
2s          Warning   Unhealthy           pod/keycloak-1                   Readiness probe failed: HTTP probe failed with statuscode: 503

=== 노드 taint — 쿠버네티스가 붙인 것 ===
  node.kubernetes.io/unreachable=:NoSchedule
  node.kubernetes.io/unreachable=:NoExecute

=== Prometheus 가 본 것 (kc-lab-1 에 있어 살아남았다) ===
  up{job=keycloak       pod=keycloak-1                } = 1
  up{job=keycloak       pod=keycloak-0                } = 0
  up{job=kubelet        pod=-                         } = 1
  up{job=kubelet        pod=-                         } = 0
  up{job=node-exporter  pod=kc-lab-1                  } = 1
  up{job=node-exporter  pod=kc-lab-2                  } = 0
  up{job=prometheus     pod=-                         } = 1

=== 진입점이 처음 40초간 000 이었던 이유 — nginx upstream ===