bug 1675770 lvm more than 8 stripes
bug 1668093 openssh ssh-keyscan -H clobber
bug 1670745 openssh ssh-keyscan port
bug 1673491 libnl crash
bug 1630516 logrotate fails to overwrite
bug 1683237 krb5 fix sync for dev release and prep SRU
bug 1690730 postgres MREs - face it, they often need retriggers of dep8
bug 1593907 ntp pre Xenial is core-dev
bug 1540323 ubuntu-virt* changes in seeds
bug 1702823 help on systemd
Also often on Triage some bug task adds are blocked on being a core-dev