Deployment with network templaes failed

MOS 8.0

Steps to reproduce:
Manual:
1. Upload the LMA Toolchain plugins to the master node
2. Install the plugins
3. Create the cluster using VxLAN segmentation
4. Add 1 node with controller role
5. Add 1 node with compute and cinder roles
6. Add 1 node with plugin roles
7. Upload the custom network template
8. Modify the L3 configuration
9. Deploy the cluster
10. Check that LMA Toolchain plugins are running
11. Run OSTF

Automated:
Run deploy_toolchain_with_network_template test.

Expected result:
Test passed.

Actual result:
Test failed on deployment:
Error
Provision has failed. Failed to execute hook 'shell' command: cd / && fa_build_image --image_build_dir /var/lib/fuel/ibp --log-file /var/log/fuel-agent-env-1.log --data_driver nailgun_build_image --input_data '{"image_data": {"/boot": {"container": "gzip", "uri": "http://10.109.10.2:8080/targetimages/env_1_ubuntu_1404_amd64-boot.img.gz", "format": "ext2"}, "/": {"container": "gzip", "uri": "http://10.109.10.2:8080/targetimages/env_1_ubuntu_1404_amd64.img.gz", "format": "ext4"}}, "output": "/var/www/nailgun/targetimages", "repos": [{"name": "ubuntu", "section": "main universe multiverse", "uri": "http://archive.ubuntu.com/ubuntu/", "priority": null, "suite": "trusty", "type": "deb"}, {"name": "ubuntu-updates", "section": "main universe multiverse", "uri": "http://archive.ubuntu.com/ubuntu/", "priority": null, "suite": "trusty-updates", "type": "deb"}, {"name": "ubuntu-security", "section": "main universe multiverse", "uri": "http://archive.ubuntu.com/ubuntu/", "priority": null, "suite": "trusty-security", "type": "deb"}, {"name": "mos", "section": "main restricted", "uri": "http://10.109.10.2:8080/liberty-8.0/ubuntu/x86_64", "priority": 1050, "suite": "mos8.0", "type": "deb"}, {"name": "mos-updates", "section": "main restricted", "uri": "http://mirror.fuel-infra.org/mos-repos/ubuntu/8.0/", "priority": 1050, "suite": "mos8.0-updates", "type": "deb"}, {"name": "mos-security", "section": "main restricted", "uri": "http://mirror.fuel-infra.org/mos-repos/ubuntu/8.0/", "priority": 1050, "suite": "mos8.0-security", "type": "deb"}, {"name": "mos-holdback", "section": "main restricted", "uri": "http://mirror.fuel-infra.org/mos-repos/ubuntu/8.0/", "priority": 1100, "suite": "mos8.0-holdback", "type": "deb"}, {"name": "Auxiliary", "section": "main restricted", "uri": "http://10.109.10.2:8080/liberty-8.0/ubuntu/auxiliary", "priority": 1150, "suite": "auxiliary", "type": "deb"}], "codename": "trusty"}'

Task: 5ed12aad-c26d-4fb4-a9cf-5f7f19958fb6: shell timeout error: execution expired
Task timeout: 3600, Retries: 1

Diagnostic snapshot available in attachment.