Comment 37 for bug 1783140

Testes as-is (to confirm we hit the bug)

1.0.0 (12:53:43): MIGRATE: in-release migrations
  1.1.0 (12:53:43): Clean testbeds
    1.1.1 (12:53:43): stop containers
    1.1.2 (12:53:43): orig: restore containers from snapshot: xenial
    1.1.3 (12:53:43): Restore testkvm-xenial-from
    1.1.4 (12:53:44): Restore testkvm-xenial-to
    1.1.5 (12:53:45): Restore testkvm-xenial-tononshared
    1.1.6 (12:53:45): wait until containers are fully started
  1.2.0 (12:53:56): unshare non shared container
    1.2.1 (12:54:00): Version info after restore
    1.2.2 (12:54:00): Version at testkvm-xenial-from: - qemu: 1:2.5+dfsg-5ubuntu10.31 libvirt: 1.3.1-1ubuntu10.24
    1.2.3 (12:54:00): Bios versions at testkvm-xenial-from: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.4 (12:54:01): Version at testkvm-xenial-to: - qemu: 1:2.5+dfsg-5ubuntu10.31 libvirt: 1.3.1-1ubuntu10.24
    1.2.5 (12:54:01): Bios versions at testkvm-xenial-to: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.6 (12:54:01): Version at testkvm-xenial-tononshared: - qemu: 1:2.5+dfsg-5ubuntu10.31 libvirt: 1.3.1-1ubuntu10.24
    1.2.7 (12:54:01): Bios versions at testkvm-xenial-tononshared: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.8 (12:54:12): Ensure old migration guests of any release are removed
    1.2.9 (12:54:12): Remove all test guests of release trusty
    1.2.10 (12:54:26): Remove all test guests of release xenial
    1.2.11 (12:54:40): Remove all test guests of release bionic
    1.2.12 (12:54:54): Remove all test guests of release cosmic
    1.2.13 (12:55:07): Prep xenial guest creation on testkvm-xenial-from
    1.2.14 (12:55:07): spawn migration guests
    1.2.15 (13:00:59): Test machine type uniqueness within xenial => Pass
    1.2.16 (13:00:59): Check for expected machine type to be set => Pass

2.0.0 (13:01:00): Test migrations within xenial - round 1/5
  2.1.0 (13:01:00): Test live migration (extra option '') of a xenial guest testkvm-xenial-from/testkvm-xenial-to
    2.1.1 (13:01:00): live migration (extra option '') testkvm-xenial-from -> testkvm-xenial-to => Failed detail=live migration failed

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Then running the same upgrading to proposed (actually all of proposed, so I hope nothing else in there breaks us now - as we have tested that in advance and it was good).

1.0.0 (13:37:26): MIGRATE: in-release migrations
  1.1.0 (13:37:26): Clean testbeds
    1.1.1 (13:37:26): stop containers
    1.1.2 (13:37:26): orig: restore containers from snapshot: xenial
    1.1.3 (13:37:26): Restore testkvm-xenial-from
    1.1.4 (13:37:27): Restore testkvm-xenial-to
    1.1.5 (13:37:27): Restore testkvm-xenial-noupd
    1.1.6 (13:37:28): Restore testkvm-xenial-tononshared
    1.1.7 (13:37:28): wait until containers are fully started
  1.2.0 (13:37:54): unshare non shared container
    1.2.1 (13:37:58): Version info after restore
    1.2.2 (13:37:58): Version at testkvm-xenial-from: - qemu: 1:2.5+dfsg-5ubuntu10.32 libvirt: 1.3.1-1ubuntu10.24
    1.2.3 (13:37:58): Bios versions at testkvm-xenial-from: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.4 (13:37:59): Version at testkvm-xenial-to: - qemu: 1:2.5+dfsg-5ubuntu10.32 libvirt: 1.3.1-1ubuntu10.24
    1.2.5 (13:37:59): Bios versions at testkvm-xenial-to: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.6 (13:37:59): Version at testkvm-xenial-noupd: - qemu: 1:2.5+dfsg-5ubuntu10.31 libvirt: 1.3.1-1ubuntu10.24
    1.2.7 (13:37:59): Bios versions at testkvm-xenial-noupd: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.8 (13:38:00): Version at testkvm-xenial-tononshared: - qemu: 1:2.5+dfsg-5ubuntu10.32 libvirt: 1.3.1-1ubuntu10.24
    1.2.9 (13:38:00): Bios versions at testkvm-xenial-tononshared: - ipxe: 1.0.0+git-20150424.a25a16d-1ubuntu1.2 slof: 20151103+dfsg-1ubuntu1.1 efi: not-installed
    1.2.10 (13:38:10): Ensure old migration guests of any release are removed
    1.2.11 (13:38:10): Remove all test guests of release trusty
    1.2.12 (13:38:27): Remove all test guests of release xenial
    1.2.13 (13:38:45): Remove all test guests of release bionic
    1.2.14 (13:39:02): Remove all test guests of release cosmic
    1.2.15 (13:39:19): Prep xenial guest creation on testkvm-xenial-from
    1.2.16 (13:39:19): spawn migration guests
    1.2.17 (13:45:13): Test machine type uniqueness within xenial => Pass
    1.2.18 (13:45:13): Check for expected machine type to be set => Pass

2.0.0 (13:45:14): Test migrations within xenial - round 1/5
  2.1.0 (13:45:14): Test live migration (extra option '') of a xenial guest testkvm-xenial-from/testkvm-xenial-to
    2.1.1 (13:45:14): live migration (extra option '') testkvm-xenial-from -> testkvm-xenial-to => Pass
    2.1.2 (13:45:22): Check if guest kvmguest-xenial-normal on testkvm-xenial-to is alive => Pass
    2.1.3 (13:45:36): live migration back (extra option '') testkvm-xenial-to -> testkvm-xenial-from => Pass
    2.1.4 (13:45:44): Check if guest kvmguest-xenial-normal on testkvm-xenial-from is alive => Pass
  2.2.0 (13:45:45): Test saverestore migration of a xenial guest testkvm-xenial-from/testkvm-xenial-to
    2.2.1 (13:45:45): saverestore migration testkvm-xenial-from -> testkvm-xenial-to => Pass
    2.2.2 (13:45:57): Check if guest kvmguest-xenial-saverestore on testkvm-xenial-to is alive => Pass
    2.2.3 (13:46:11): saverestore migration back testkvm-xenial-to -> testkvm-xenial-from => Pass
    2.2.4 (13:46:23): Check if guest kvmguest-xenial-saverestore on testkvm-xenial-from is alive => Pass

This goes on I'm already at test #172, but I'll spare you the flooding of the comment box here.

Verified from proposed