In addition, the aplha pods are generating logs like
E0110 11:37:00.034304 19 groups.go:1224] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": while receiving from stream: rpc error: code = Unavailable desc = transport is closing. closer err: <nil>