See https://code.launchpad.net/~xypron/livecd-rootfs/+git/livecd-rootfs/+merge/445903 -- https://code.launchpad.net/~xypron/livecd-rootfs/+git/livecd-rootfs/+merge/445870 Your team Ubuntu Core Development Team is subscribed to branch livecd-rootfs:ubuntu/master.