###first sls
eth0:
  network.managed:
    - enabled: True
    - type: eth
    - proto: none
    - bridge: br0
    - ipv6_autoconf: no
    - noifupdown: True
    - enable_ipv6: false
    - require:
      - network: br0

br0:
  network.managed:
    - enabled: True
    - type: bridge
    - proto: dhcp
    - bridge: br0
    - delay: 0
    - ports: eth0
    - bypassfirewall: True
    - use:
      - network: eth0
    - ipv6_autoconf: no
    - enable_ipv6: false
    - require:
      - sls: kernel_modules.bridge

restart_network:
  module.run:
    - name: service.restart
    - onchanges:
      - network: eth0
      - network: br0

###second sls
###/srv/salt/kernel_modules/bridge.sls
bridge:
  kmod.present:
  - persist: True