0s autopkgtest [07:38:15]: starting date and time: 2025-04-23 07:38:15+0000
  0s autopkgtest [07:38:15]: git checkout: 9986aa8c Merge branch 'skia/fix_network_interface' into 'ubuntu/production'
  0s autopkgtest [07:38:15]: host juju-7f2275-prod-proposed-migration-environment-20; command line: /home/ubuntu/autopkgtest/runner/autopkgtest --output-dir /tmp/autopkgtest-work.8ol882i0/out --timeout-copy=6000 --setup-commands /home/ubuntu/autopkgtest-cloud/worker-config-production/setup-canonical.sh --apt-pocket=proposed=src:nvidia-graphics-drivers-535 --apt-upgrade nvidia-graphics-drivers-525 --timeout-short=300 --timeout-copy=20000 --timeout-build=20000 --env=ADT_TEST_TRIGGERS=nvidia-graphics-drivers-535/535.230.02-0ubuntu0.22.04.1 -- ssh -s /home/ubuntu/autopkgtest/ssh-setup/nova -- --flavor autopkgtest-cpu2-ram4-disk20-arm64 --security-groups autopkgtest-juju-7f2275-prod-proposed-migration-environment-20@sto01-arm64-8.secgroup --name adt-jammy-arm64-nvidia-graphics-drivers-525-20250423-072549-juju-7f2275-prod-proposed-migration-environment-20-435fa0c9-5347-4986-884f-e38c11063232 --image adt/ubuntu-jammy-arm64-server --keyname testbed-juju-7f2275-prod-proposed-migration-environment-20 --net-id=net_prod-autopkgtest-workers-arm64 -e TERM=linux --mirror=http://ftpmaster.internal/ubuntu/
 70s autopkgtest [07:39:25]: testbed dpkg architecture: arm64
 70s autopkgtest [07:39:25]: testbed apt version: 2.4.13
 71s autopkgtest [07:39:26]: @@@@@@@@@@@@@@@@@@@@ test bed setup
 71s autopkgtest [07:39:26]: testbed release detected to be: None
 71s autopkgtest [07:39:26]: updating testbed package index (apt update)
 71s Err:1 http://ftpmaster.internal/ubuntu jammy InRelease
 71s   403  Forbidden [IP: 10.151.41.7 3128]
 71s Err:2 http://ftpmaster.internal/ubuntu jammy-updates InRelease
 71s   403  Forbidden [IP: 10.151.41.7 3128]
 72s Err:3 http://ftpmaster.internal/ubuntu jammy-security InRelease
 72s   403  Forbidden [IP: 10.151.41.7 3128]
 72s Err:4 http://ftpmaster.internal/ubuntu jammy-proposed InRelease
 72s   403  Forbidden [IP: 10.151.41.7 3128]
 72s Reading package lists...
 72s E: The repository 'http://ftpmaster.internal/ubuntu jammy InRelease' is no longer signed.
 72s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy/InRelease  403  Forbidden [IP: 10.151.41.7 3128]
 72s E: The repository 'http://ftpmaster.internal/ubuntu jammy-updates InRelease' is no longer signed.
 72s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-updates/InRelease  403  Forbidden [IP: 10.151.41.7 3128]
 72s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-security/InRelease  403  Forbidden [IP: 10.151.41.7 3128]
 72s E: The repository 'http://ftpmaster.internal/ubuntu jammy-security InRelease' is no longer signed.
 72s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-proposed/InRelease  403  Forbidden [IP: 10.151.41.7 3128]
 72s E: The repository 'http://ftpmaster.internal/ubuntu jammy-proposed InRelease' is not signed.
 88s nova [W] Using flock in prodstack7-arm64
 88s Creating nova instance adt-jammy-arm64-nvidia-graphics-drivers-525-20250423-072549-juju-7f2275-prod-proposed-migration-environment-20-435fa0c9-5347-4986-884f-e38c11063232 from image adt/ubuntu-jammy-arm64-server-20250422.img (UUID 75ccddcf-8378-4778-a5f8-79d5352aa928)...
 88s nova [W] Timed out waiting for 9bc407d0-ba85-4dbc-af6e-00076c602e39 to get deleted.
 88s autopkgtest [07:39:43]: ERROR: testbed failure: failed testbed apt update