t2.micro/t2.small erroring

stannis.yml

compilation:
  cloud_properties:
    instance_type: m3.medium
  network: agent1
  reuse_compilation_vms: true
  workers: 6
director_uuid: 6f4651e3-2fe6-4ce8-851c-xxxxxxxx
jobs:
- instances: 1
  name: agent
  networks:
  - name: agent1
  resource_pool: small_z1
  templates:
  - name: agent
    release: stannis
meta:
  stemcell:
    name: bosh-aws-xen-hvm-ubuntu-trusty-go_agent
    version: 3033
name: uswest2-cf-1-stannis
networks:
- name: agent1
  subnets:
  - cloud_properties:
      security_groups:
      - ssh-cf
      - bosh-uswest2-cf-1
      subnet: subnet-xxxxxx
    dns:
    - 10.72.0.2
    gateway: 10.72.10.129
    name: stannis
    range: 10.72.10.128/27
    reserved:
    - 10.72.10.130-10.72.10.140
    static:
    - 10.72.10.141
  type: manual
properties:
  bosh_uploader: ...
releases:
- name: stannis
  version: 1
resource_pools:
- cloud_properties:
    instance_type: t2.small
  name: small_z1
  network: agent1
  size: 1
  stemcell:
    name: bosh-aws-xen-hvm-ubuntu-trusty-go_agent
    version: 3033
update:
  canaries: 1
  canary_watch_time: 1000-30000
  max_in_flight: 50
  serial: false
  update_watch_time: 1000-30000