UNREACHABLE! => ***"changed": false, "msg": "[Errno -3] Try again" | Github runner - ansible

Question

Am trying to use Ansible via Google IAP tunnel to update my VM's. I have followed the below repo
https://github.com/joeheaton/ansible-gcp
I get the below error. while running the playbook:
TASK [Gathering Facts] *********************************************************
fatal: [10.170.0.25]: UNREACHABLE! => ***"changed": false, "msg": "[Errno -3] Try again", "unreachable": true***
PLAY RECAP *********************************************************************
10.170.0.25 : ok=0 changed=0 unreachable=1 failed=0 skipped=0 rescued=0 ignored=0
Below is my workflow file:
name: 'Ansible Config STG'
on:
workflow_dispatch:
inputs:
logLevel:
description: environment
required: true
default: stg
jobs:
playbook-dev:
name: 'Ansible Install'
runs-on: ubuntu-latest
environment: stg
container: gcr.io/google.com/cloudsdktool/cloud-sdk:286.0.0-alpine
env:
ANSIBLE_HOST_KEY_CHECKING: "False"
ANSIBLE_BECOME: "True"
OS_LOGIN_SSH_TTL: "1h"
ANSIBLE_REMOTE_USER: to-be-calculated-during-job
defaults:
run:
shell: bash
steps:
- name: Checkout
uses: actions/checkout#v2
- name: Config file
run: |
ls -al
- name: Set up Ansible & SSH
run: |
apk add ansible --update
echo $STG_PRIVATE_KEY > account.json
gcloud auth activate-service-account --key-file=account.json --project=test-staging
pip3 install requests google-auth
apk add jq --update
mkdir ~/.ssh
echo $FTP_SERVER_KEY_STG > ~/.ssh/id_rsa
ssh-keygen -t rsa -N '' -f ~/.ssh/id_rsa <<< y
chmod 600 ~/.ssh/id_rsa
eval "$(ssh-agent -s)"
ssh-add ~/.ssh/id_rsa
gcloud compute os-login ssh-keys add --key-file ~/.ssh/id_rsa.pub --ttl $OS_LOGIN_SSH_TTL
export ANSIBLE_REMOTE_USER="sa_$(cat account.json | jq -r '.client_id')"
export ANSIBLE_HOST_KEY_CHECKING=False
export GOOGLE_APPLICATION_CREDENTIALS="account.json"
ansible-playbook -v -i inventory.gcp.yaml test.playbook.yml
env:
STG_PRIVATE_KEY: ${{ secrets.GOOGLE_PRIVATE_KEY_TF_STG }}
FTP_SERVER_KEY: ${{ secrets.FTP_SERVER_KEY_STG }}
Any suggestions or help would be really appreciated.