cluster API unreachable: E0716 16:58:56.581844 254 memcache.go:265] couldn't get current server API group list: Get "https://a749df70837174e1aaee3c8191bc0af2-6b2684704ecb3de7.elb.us-east-1.amazonaws.com:6443/api?timeout=32s": dial tcp: lookup a749df70837174e1aa