test.sls
================
system:
  network.system:
    - enabled: True
    - gateway: 192.168.2.1

eth0:
  network.managed:
    - enabled: True
    - type: eth
    - proto: none
    - ipaddr: 192.168.2.30
    - netmask: 255.255.255.0
    - dns:
      - 8.8.8.8
      - 8.8.4.4

Output of salt '*' state.sls test
=================================
----------
    State: - network
    Name:      system
    Function:  system
        Result:    False
        Comment:   State network.system found in sls test is unavailable

        Changes:
----------
    State: - network
    Name:      eth0
    Function:  managed
        Result:    False
        Comment:   State network.managed found in sls test is unavailable

        Changes: