root@wsl:~# kubectl logs -n kube-system deploy/metrics-server
...
E0603 05:15:09.066189 1 scraper.go:149] "Failed to scrape node" err="Get \"https://172.19.0.2:10250/metrics/resource\": tls: failed to verify certificate: x509: cannot validate certificate for 172.19.0.2 because it doesn't contain any IP SANs" node="kind-control-plane"
I0603 05:15:12.925953 1 server.go:191] "Failed probe" probe="metric-storage-ready" err="no metrics to serve"
I0603 05:15:13.785420 1 server.go:191] "Failed probe" probe="metric-storage-ready" err="no metrics to serve"
# kubectl get no
E1214 16:06:43.187937 14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.394554 14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.553318 14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.806185 14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
E1214 16:06:43.986808 14132 memcache.go:265] couldn't get current server API group list: Get "https://35.79.146.80/api?timeout=32s": tls: failed to verify certificate: x509: certificate signed by unknown authority
Unable to connect to the server: tls: failed to verify certificate: x509: certificate signed by unknown authority
