I'm lost on step 19 - "Now pass a matching header and you should see the default web server page.
student@cp: ̃/ingress-nginx$ curl -H "Host: www.example.com" http://10.104.227.7"

I've read: https://forum.linuxfoundation.org/discussion/856881/lab-7-2-ingress-controller-service-available-via-internal-ip-not-via-ingress

and https://forum.linuxfoundation.org/discussion/856881/lab-7-2-ingress-controller-service-available-via-internal-ip-not-via-ingress

What I see is a failing pod
kubectl get pods | grep ingress
myingress-ingress-nginx-controller-q2bms 1/2 CrashLoopBackOff 15 (113s ago) 40m
myingress-ingress-nginx-controller-zjfl8 1/1 Running 0 131m

Describing the pod
kubectl describe pod myingress-ingress-nginx-controller-q2bms

Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Scheduled 20m default-scheduler Successfully assigned default/myingress-ingress-nginx-controller-q2bms to cp
Normal Pulled 20m kubelet Container image "cr.l5d.io/linkerd/proxy-init:v1.4.0" already present on machine
Normal Created 20m kubelet Created container linkerd-init
Normal Started 20m kubelet Started container linkerd-init
Normal Pulled 20m kubelet Container image "cr.l5d.io/linkerd/proxy:stable-2.11.1" already present on machine
Normal Created 20m kubelet Created container linkerd-proxy
Normal Started 20m kubelet Started container linkerd-proxy
Warning FailedPreStopHook 19m kubelet Exec lifecycle hook ([/wait-shutdown]) for Container "controller" in Pod "myingress-ingress-nginx-controller-q2bms_default(0ed1e50d-19c8-4eee-8082-f7a3230b80a8)" failed - error: command '/wait-shutdown' exited with 137: , message: ""
Normal Created 19m (x2 over 20m) kubelet Created container controller
Normal Started 19m (x2 over 20m) kubelet Started container controller
Warning Unhealthy 19m (x6 over 20m) kubelet Readiness probe failed: HTTP probe failed with statuscode: 502
Normal Killing 19m kubelet Container controller failed liveness probe, will be restarted
Warning Unhealthy 15m (x30 over 20m) kubelet Liveness probe failed: HTTP probe failed with statuscode: 502
Normal Pulled 10m (x8 over 20m) kubelet Container image "k8s.gcr.io/ingress-nginx/controller:v1.1.1@sha256:0bc88eb15f9e7f84e8e56c14fa5735aaa488b840983f87bd79b1054190e660de" already present on machine
Warning BackOff 20s (x57 over 15m) kubelet Back-off restarting failed container

POD
ClusterIP for second app - works
curl -H "Host: www.example.com" http://10.98.39.102

ENDPOINT
kubectl get endpoints
NAME ENDPOINTS AGE
kubernetes 10.128.0.6:6443 56d
myingress-ingress-nginx-controller 192.168.171.106:443,192.168.171.106:80 123m
myingress-ingress-nginx-controller-admission 192.168.171.106:8443 123m
nginx 192.168.171.108:443 48d
registry 192.168.171.107:5000 48d
secondapp 192.168.171.86:80 166m

curl -H "Host: www.example.com" http://192.168.171.106

404 Not Found

My external IP addresses are in the 34.x.x.x and 35.x.x.x range.
... so I think I am not overlapping... if I am I have zero idea of how that came to be or how to fix it.

External Works
curl -H "Host: www.example.com" http:// control plane ip address:32000
curl -H "Host: www.example.com" http:// worker ip address:32000

INGRESS
kubectl get svc | grep ingress
myingress-ingress-nginx-controller LoadBalancer 10.111.207.48 80:32465/TCP,443:30635/TCP 116m

curl -H "Host: www.example.com" http://10.111.207.48:32000
Hangs

curl -H "Host: www.example.com" http://10.111.207.48

404 Not Found