In the meantime I could find out that the problem only pops up when "virtio" (or virtio-net) is being used for network devices. With the e1000 nic_type everything is working as expected. Can this be seen as related to this bug?
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in Ubuntu. https://bugs.launchpad.net/bugs/1291321 Title: migration fails between 12.04 Precise and 14.04 Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1291321/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
