eks deploy should be robust to eventual consistency

[yorinasub17]

Should avoid errors like the following

ERRO[2021-02-08T21:01:38-04:00] Error retrieving detailed about the instances  name=kubergrunt
ERRO[2021-02-08T21:01:38-04:00] Undo by terminating all the new instances and trying again  name=kubergrunt
ERROR: InvalidInstanceID.NotFound: The instance ID 'i-028ec69838e751d18' does not exist
        status code: 400, request id: 9c623f38-d818-43f1-a335-d370a2a5ad76