Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  isc-dhcp-server-ldap
The following NEW packages will be installed:
  isc-dhcp-server
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 381 kB of archives.
After this operation, 864 kB of additional disk space will be used.
Get:1 http://192.168.40.1:9999/debian/ jessie/main isc-dhcp-server amd64 4.3.1-6+deb8u2 [381 kB]
Fetched 381 kB in 0s (18.4 MB/s)
Preconfiguring packages ...
Selecting previously unselected package isc-dhcp-server.
(Reading database ... 83332 files and directories currently installed.)
Preparing to unpack .../isc-dhcp-server_4.3.1-6+deb8u2_amd64.deb ...
Unpacking isc-dhcp-server (4.3.1-6+deb8u2) ...
Processing triggers for systemd (215-17+deb8u3) ...
Processing triggers for man-db (2.7.0.2-5) ...
Setting up isc-dhcp-server (4.3.1-6+deb8u2) ...
Generating /etc/default/isc-dhcp-server...
Job for isc-dhcp-server.service failed. See 'systemctl status isc-dhcp-server.service' and 'journalctl -xn' for details.
invoke-rc.d: initscript isc-dhcp-server, action "start" failed.
Processing triggers for systemd (215-17+deb8u3) ...