cluster API unreachable: E0719 08:55:21.554414 260 memcache.go:265] couldn't get current server API group list: Get "https://af2ad7657634641029ee67368a367965-96a2dc5805dca751.elb.us-east-1.amazonaws.com:6443/api?timeout=32s": dial tcp: lookup af2ad7657634641029