Rollback to previous state using Resource Module

---
- hosts: aws_csr
  gather_facts: no
  tasks:
    - name: Push golden config to the box
      ios_interfaces:
        config:
          - name: GigabitEthernet1
            description: 'OUTBOUND_INTERFACE_1'
            mtu: 1600
        state: merged

    - name: Gather Facts For Backup To Use Later
      ios_facts:
        gather_network_resources:
          - interfaces

    - name: Push wrong config that needs to be reverted
      ios_interfaces:
        config:
          - name: GigabitEthernet1
            description: 'TRUNK_PORT'
            mtu: 1900
        state: merged

    - name: Rollback to golden config using previously fetched facts
      ios_interfaces:
        config: "{{ ansible_facts['network_resources']['interfaces'] }}"
        state: overridden