Le Load Balancer d'un nginx ingress controller n'acquiert pas d'IP

J'ai déployé nginx ingress controller avec helm sur mon managed kubernets cloud, le Load Balancer n'acquiert pas d'IP (plus d'une demi heure d'attente).
Logs du pod nginx ingress controller :
```
W0206 12:52:49.607000 7 flags.go:250] SSL certificate chain completion is disabled (--enable-ssl-chain-completion=false)
W0206 12:52:49.607065 7 client_config.go:543] Neither --kubeconfig nor --master was specified. Using the inClusterConfig. This might not work.
I0206 12:52:49.607317 7 main.go:193] Creating API client for https://10.3.0.1:443
I0206 12:52:49.648559 7 main.go:237] Running in Kubernetes cluster version v1.17 (v1.17.0) - git (clean) commit 70132b0f130acc0bed193d9ba59dd186f0e634cf - platform linux/amd64
I0206 12:52:49.669328 7 main.go:91] Validated default/nginx-ingress-1580993501-default-backend as the default backend.
I0206 12:52:49.789525 7 main.go:102] SSL fake certificate created /etc/ingress-controller/ssl/default-fake-certificate.pem
W0206 12:52:49.904018 7 store.go:636] Unexpected error reading configuration configmap: configmaps "nginx-ingress-1580993501-controller" not found
I0206 12:52:49.929074 7 nginx.go:263] Starting NGINX Ingress controller
I0206 12:52:51.230206 7 nginx.go:307] Starting NGINX process
I0206 12:52:51.231390 7 leaderelection.go:242] attempting to acquire leader lease default/ingress-controller-leader-nginx...
W0206 12:52:51.232688 7 controller.go:394] Service "default/nginx-ingress-1580993501-default-backend" does not have any active Endpoint
I0206 12:52:51.232773 7 controller.go:137] Configuration changes detected, backend reload required.
I0206 12:52:51.273957 7 leaderelection.go:252] successfully acquired lease default/ingress-controller-leader-nginx
I0206 12:52:51.274003 7 status.go:86] new leader elected: nginx-ingress-1580993501-controller-55f7fdcc9-ft9dn
I0206 12:52:51.360416 7 controller.go:153] Backend successfully reloaded.
I0206 12:52:51.360458 7 controller.go:162] Initial sync, sleeping for 1 second.
W0206 12:52:54.819826 7 controller.go:394] Service "default/nginx-ingress-1580993501-default-backend" does not have any active Endpoint
E0206 12:53:13.411645 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
E0206 12:54:06.295476 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
E0206 13:01:04.510784 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
E0206 13:04:50.982010 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
E0206 13:17:27.971063 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
E0206 13:18:51.144841 7 leaderelection.go:367] Failed to update lock: etcdserver: request timed out
```
Les events du service :
```
Normal EnsuringLoadBalancer 30m service-controller Ensuring load balancer
Normal EnsuringLoadBalancer 28m service-controller Ensuring load balancer
Normal EnsuringLoadBalancer 24m service-controller Ensuring load balancer
Normal EnsuringLoadBalancer 10m service-controller Ensuring load balancer
Normal EnsuringLoadBalancer 3m42s service-controller Ensuring load balancer
```
Il y a quelques jours je parvenais à avoir une IP externe...
Maintenant le LB reste sur pending