I failed to mention that I also had linux-image-extra-3.19.0-26-generic and linux-headers-3.19.0-26 from vivid-proposed, but it is probably not relevant:
$ uname -r 3.19.0-26-generic $ apt-cache policy linux-image-extra-3.19.0-26 linux-image-extra-3.19.0-26-generic: Installed: 3.19.0-26.27 Candidate: 3.19.0-26.27 Version table: *** 3.19.0-26.27 0 400 http://us.archive.ubuntu.com/ubuntu/ vivid-proposed/main amd64 Packages 100 /var/lib/dpkg/status $ apt-cache policy linux-image-3.19.0-26 linux-image-3.19.0-26-lowlatency: Installed: (none) Candidate: 3.19.0-26.27 Version table: 3.19.0-26.27 0 400 http://us.archive.ubuntu.com/ubuntu/ vivid-proposed/main amd64 Packages linux-image-3.19.0-26-generic: Installed: 3.19.0-26.27 Candidate: 3.19.0-26.27 Version table: *** 3.19.0-26.27 0 400 http://us.archive.ubuntu.com/ubuntu/ vivid-proposed/main amd64 Packages 100 /var/lib/dpkg/status $ apt-cache policy linux-headers-3.19.0-26 linux-headers-3.19.0-26: Installed: 3.19.0-26.27 Candidate: 3.19.0-26.27 Version table: *** 3.19.0-26.27 0 400 http://us.archive.ubuntu.com/ubuntu/ vivid-proposed/main amd64 Packages 100 /var/lib/dpkg/status -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475434 Title: ipvlan module causes kernel crashes (backport fixes from upstream) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1475434/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs