The following NEW packages will be installed:
mdadm
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
....
W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_ver8_7.bin for module i915
root@yakety:~# ^C
Ubuntu 16.10, desktop-amd64, daily build 3/october/2016
The following NEW packages will be installed:
mdadm
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
....
W: Possible missing firmware /lib/firmware/ i915/kbl_ guc_ver9_ 14.bin for module i915 i915/bxt_ guc_ver8_ 7.bin for module i915
W: Possible missing firmware /lib/firmware/
root@yakety:~# ^C