0s autopkgtest [11:27:08]: starting date and time: 2025-04-26 11:27:08+0000
  0s autopkgtest [11:27:08]: git checkout: 9986aa8c Merge branch 'skia/fix_network_interface' into 'ubuntu/production'
  0s autopkgtest [11:27:08]: host juju-7f2275-prod-proposed-migration-environment-23; command line: /home/ubuntu/autopkgtest/runner/autopkgtest --output-dir /tmp/autopkgtest-work.043fk4c5/out --timeout-copy=6000 --setup-commands /home/ubuntu/autopkgtest-cloud/worker-config-production/setup-canonical.sh --apt-pocket=proposed=src:linux-meta-lowlatency,src:linux-lowlatency,src:linux-signed-lowlatency --apt-upgrade broadcom-sta --timeout-short=300 --timeout-copy=20000 --timeout-build=20000 '--env=ADT_TEST_TRIGGERS=linux-meta-lowlatency/5.15.0.140.126 linux-lowlatency/5.15.0-140.150 linux-signed-lowlatency/5.15.0-140.150' --setup-commands 'apt-get install -y ^kernel-testing--linux\-lowlatency--full--preferred$ || apt-get install -y ^linux-image\-lowlatency$ ^linux-headers\-lowlatency$ || apt-get install -y ^linux-image-generic\-lowlatency$ ^linux-headers-generic\-lowlatency$' --setup-commands 'apt-get install -y ^kernel-testing--linux\-lowlatency--modules-extra--preferred$ || apt-get install -y ^linux-modules-extra\-lowlatency$ || :' -- ssh -s /home/ubuntu/autopkgtest/ssh-setup/nova -- --flavor autopkgtest-cpu2-ram4-disk20-arm64 --security-groups autopkgtest-juju-7f2275-prod-proposed-migration-environment-23@sto01-arm64-10.secgroup --name adt-jammy-arm64-broadcom-sta-20250426-111417-juju-7f2275-prod-proposed-migration-environment-23-4041fb99-26e7-44f4-9de8-880c3739ab8f --image adt/ubuntu-jammy-arm64-server --keyname testbed-juju-7f2275-prod-proposed-migration-environment-23 --net-id=net_prod-autopkgtest-workers-arm64 -e TERM=linux --mirror=http://ftpmaster.internal/ubuntu/
 56s autopkgtest [11:28:04]: testbed dpkg architecture: arm64
 56s autopkgtest [11:28:04]: testbed apt version: 2.4.13
 56s autopkgtest [11:28:04]: @@@@@@@@@@@@@@@@@@@@ test bed setup
 56s autopkgtest [11:28:04]: testbed release detected to be: None
 57s autopkgtest [11:28:05]: updating testbed package index (apt update)
 57s Err:1 http://ftpmaster.internal/ubuntu jammy InRelease
 57s   403  Forbidden [IP: 10.151.41.5 3128]
 57s Err:2 http://ftpmaster.internal/ubuntu jammy-updates InRelease
 57s   403  Forbidden [IP: 10.151.41.5 3128]
 57s Err:3 http://ftpmaster.internal/ubuntu jammy-security InRelease
 57s   403  Forbidden [IP: 10.151.41.5 3128]
 57s Err:4 http://ftpmaster.internal/ubuntu jammy-proposed InRelease
 57s   403  Forbidden [IP: 10.151.41.5 3128]
 58s Reading package lists...
 58s E: The repository 'http://ftpmaster.internal/ubuntu jammy InRelease' is no longer signed.
 58s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 58s E: The repository 'http://ftpmaster.internal/ubuntu jammy-updates InRelease' is no longer signed.
 58s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-updates/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 58s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-security/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 58s E: The repository 'http://ftpmaster.internal/ubuntu jammy-security InRelease' is no longer signed.
 58s E: Failed to fetch http://ftpmaster.internal/ubuntu/dists/jammy-proposed/InRelease  403  Forbidden [IP: 10.151.41.5 3128]
 58s 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-broadcom-sta-20250426-111417-juju-7f2275-prod-proposed-migration-environment-23-4041fb99-26e7-44f4-9de8-880c3739ab8f from image adt/ubuntu-jammy-arm64-server-20250422.img (UUID 75ccddcf-8378-4778-a5f8-79d5352aa928)...
 73s nova [W] Timed out waiting for dad9ba73-9ae4-44ea-93bc-94fa274c34f9 to get deleted.
 73s autopkgtest [11:28:21]: ERROR: testbed failure: failed testbed apt update