0s autopkgtest [07:39:41]: starting date and time: 2025-04-23 07:39:41+0000
  0s autopkgtest [07:39:41]: git checkout: 9986aa8c Merge branch 'skia/fix_network_interface' into 'ubuntu/production'
  0s autopkgtest [07:39:41]: host juju-7f2275-prod-proposed-migration-environment-20; command line: /home/ubuntu/autopkgtest/runner/autopkgtest --output-dir /tmp/autopkgtest-work.5dqav4rs/out --timeout-copy=6000 --setup-commands /home/ubuntu/autopkgtest-cloud/worker-config-production/setup-canonical.sh --apt-pocket=proposed=src:nvidia-graphics-drivers-550-server --apt-upgrade pyopencl --timeout-short=300 --timeout-copy=20000 --timeout-build=20000 --env=ADT_TEST_TRIGGERS=nvidia-graphics-drivers-550-server/550.163.01-0ubuntu0.22.04.1 -- 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-arm64-4.secgroup --name adt-jammy-arm64-pyopencl-20250423-072606-juju-7f2275-prod-proposed-migration-environment-20-c2533c42-ed6e-4963-bdcb-da3319cc6ff2 --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/
 68s autopkgtest [07:40:49]: testbed dpkg architecture: arm64
 68s autopkgtest [07:40:49]: testbed apt version: 2.4.13
 68s autopkgtest [07:40:49]: @@@@@@@@@@@@@@@@@@@@ test bed setup
 68s autopkgtest [07:40:49]: testbed release detected to be: None
 69s autopkgtest [07:40:50]: updating testbed package index (apt update)
 69s Err:1 http://ftpmaster.internal/ubuntu jammy InRelease
 69s   403  Forbidden [IP: 10.151.41.5 3128]
 69s Err:2 http://ftpmaster.internal/ubuntu jammy-updates InRelease
 69s   403  Forbidden [IP: 10.151.41.5 3128]
 69s Err:3 http://ftpmaster.internal/ubuntu jammy-security InRelease
 69s   403  Forbidden [IP: 10.151.41.5 3128]
 69s Err:4 http://ftpmaster.internal/ubuntu jammy-proposed InRelease
 69s   403  Forbidden [IP: 10.151.41.5 3128]
 70s Reading package lists...
 70s E: The repository 'http://ftpmaster.internal/ubuntu jammy InRelease' is no longer signed.
 70s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 70s E: The repository 'http://ftpmaster.internal/ubuntu jammy-updates InRelease' is no longer signed.
 70s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-updates/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 70s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-security/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 70s E: The repository 'http://ftpmaster.internal/ubuntu jammy-security InRelease' is no longer signed.
 70s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-proposed/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 70s E: The repository 'http://ftpmaster.internal/ubuntu jammy-proposed InRelease' is not signed.
 73s nova [W] Using flock in prodstack7-arm64
 73s Creating nova instance adt-jammy-arm64-pyopencl-20250423-072606-juju-7f2275-prod-proposed-migration-environment-20-c2533c42-ed6e-4963-bdcb-da3319cc6ff2 from image adt/ubuntu-jammy-arm64-server-20250422.img (UUID 75ccddcf-8378-4778-a5f8-79d5352aa928)...
 73s nova [W] Timed out waiting for 71a4f055-1f6d-44af-a4c4-dfa63daf42d9 to get deleted.
 73s autopkgtest [07:40:54]: ERROR: testbed failure: failed testbed apt update