Hi,

dockerized flannel does not work. I have started kubelet from hyperkube and 
etcd, kube-apiserver, kube-controller-maager,and kube-scheduler as static pods 
in kubelet manifets folder.
running kube-flannel.yaml via kubectl, but it is crashing and restarting with 
the following messages:

{"log":"E0822 00:28:17.613136       1 config.go:265] Expected to load root CA 
config from /var/run/secrets/kubernetes.io/serviceaccount/ca.crt, but got err: 
open /var/run/secrets/kubernetes.io/serviceaccount/ca.crt: no such file or 
directory\n","stream":"stderr","time":"2017-08-22T00:28:17.613518972Z"}
{"log":"E0822 00:28:47.615504       1 main.go:127] Failed to create 
SubnetManager: error retrieving pod spec for 
'kube-system/kube-flannel-ds-hrnm2': Get 
https://10.254.0.1:443/api/v1/namespaces/kube-system/pods/kube-flannel-ds-hrnm2:
 dial tcp 10.254.0.1:443: i/o 
timeout\n","stream":"stderr","time":"2017-08-22T00:28:47.615694906Z"}

Kubernetes - hyperkube 1.6.8_coreos.0
etcd v3.0.17 (containerized)
flannel v0.8.0-amd64 and v0.7.1 (same problem with both these versions)
Ubuntu 16.04

thanks,
Venkat

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