I'm unable to attach a file to this report, so I'll transcribe the relevant lines from syslog:
Jan 20 00:25:08 xenial-dhcp-test systemd[1]: Starting ISC DHCP IPv4 server... Jan 20 00:25:08 xenial-dhcp-test systemd[1]: Started ISC DHCP IPv4 server. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Internet Systems Consortium DHCP Server 4.3.3 Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Copyright 2004-2015 Internet Systems Consortium. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: All rights reserved. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: For info, please visit https://www.isc.org/software/dhcp/ Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Config file: /etc/dhcp/dhcpd.conf Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Database file: /var/lib/dhcp/dhcpd.leases Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: PID file: /run/dhcp-server/dhcpd.pid Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Internet Systems Consortium DHCP Server 4.3.3 Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Copyright 2004-2015 Internet Systems Consortium. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: All rights reserved. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: For info, please visit https://www.isc.org/software/dhcp/ Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Can't open lease database /var/lib/dhcp/dhcpd.leases: No such file or directory -- Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: check for failed database rewrite attempt! Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Please read the dhcpd.leases manual page if you Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: don't know what to do about this. Jan 20 00:25:09 xenial-dhcp-test systemd[1]: isc-dhcp-server.service: Main process exited, code=exited, status=1/FAILURE Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: If you think you have received this message due to a bug rather Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: than a configuration issue please read the section on submitting Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: bugs on either our web page at www.isc.org or in the README file Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: before submitting a bug. These pages explain the proper Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: process and the information we find helpful for debugging.. Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: Jan 20 00:25:09 xenial-dhcp-test dhcpd[8186]: exiting. Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Internet Systems Consortium DHCP Server 4.3.3 Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Copyright 2004-2015 Internet Systems Consortium. Jan 20 00:25:09 xenial-dhcp-test sh[8186]: All rights reserved. Jan 20 00:25:09 xenial-dhcp-test sh[8186]: For info, please visit https://www.isc.org/software/dhcp/ Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Config file: /etc/dhcp/dhcpd.conf Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Database file: /var/lib/dhcp/dhcpd.leases Jan 20 00:25:09 xenial-dhcp-test sh[8186]: PID file: /run/dhcp-server/dhcpd.pid Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Can't open lease database /var/lib/dhcp/dhcpd.leases: No such file or directory -- Jan 20 00:25:09 xenial-dhcp-test sh[8186]: check for failed database rewrite attempt! Jan 20 00:25:09 xenial-dhcp-test sh[8186]: Please read the dhcpd.leases manual page if you Jan 20 00:25:09 xenial-dhcp-test sh[8186]: don't know what to do about this. Jan 20 00:25:09 xenial-dhcp-test sh[8186]: If you think you have received this message due to a bug rather Jan 20 00:25:09 xenial-dhcp-test sh[8186]: than a configuration issue please read the section on submitting Jan 20 00:25:09 xenial-dhcp-test sh[8186]: bugs on either our web page at www.isc.org or in the README file Jan 20 00:25:09 xenial-dhcp-test sh[8186]: before submitting a bug. These pages explain the proper Jan 20 00:25:09 xenial-dhcp-test sh[8186]: process and the information we find helpful for debugging.. Jan 20 00:25:09 xenial-dhcp-test sh[8186]: exiting. Jan 20 00:25:09 xenial-dhcp-test systemd[1]: isc-dhcp-server.service: Failed to kill control group /lxc/xenial-dhcp-test/system.slice/isc-dhcp-server.service, ignoring: Invalid argument Jan 20 00:25:09 xenial-dhcp-test systemd[1]: message repeated 3 times: [ isc-dhcp-server.service: Failed to kill control group /lxc/xenial-dhcp-test/system.slice/isc-dhcp-server.service, ignoring: Invalid argument] Jan 20 00:25:09 xenial-dhcp-test systemd[1]: isc-dhcp-server.service: Unit entered failed state. Jan 20 00:25:09 xenial-dhcp-test systemd[1]: isc-dhcp-server.service: Failed with result 'exit-code'. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to isc-dhcp in Ubuntu. https://bugs.launchpad.net/bugs/1535952 Title: isc-dhcp-server.service fails on xenial with "Can't open lease database /var/lib/dhcp/dhcpd.leases: No such file or directory" Status in isc-dhcp package in Ubuntu: New Bug description: While investigating a DHCP issue on MAAS, I installed a fresh xenial on a LXC container and installed the isc-dhcp-server package. It fails to start with a syslog entry like "dhcpd[8090]: Can't open lease database /var/lib/dhcp/dhcpd.leases: No such file or directory --. From the machine: root@xenial-dhcp-test:~# lsb_release -rd Description: Ubuntu Xenial Xerus (development branch) Release: 16.04 root@xenial-dhcp-test:~# dpkg -l isc* | cat Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-====================-==============-============-===================================================== ii isc-dhcp-client 4.3.3-5ubuntu1 amd64 DHCP client for automatically obtaining an IP address un isc-dhcp-client-ddns <none> <none> (no description available) ii isc-dhcp-common 4.3.3-5ubuntu1 amd64 common files used by all of the isc-dhcp packages ii isc-dhcp-server 4.3.3-5ubuntu1 amd64 ISC DHCP server for automatic IP address assignment un isc-dhcp-server-ldap <none> <none> (no description available) root@xenial-dhcp-test:~# systemctl status isc-dhcp-server.service ● isc-dhcp-server.service - ISC DHCP IPv4 server Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; enabled; vendor preset: enabled) Active: failed (Result: exit-code) since Tue 2016-01-19 23:43:40 UTC; 6min ago Docs: man:dhcpd(8) Process: 8090 ExecStart=/bin/sh -ec CONFIG_FILE=/etc/dhcp/dhcpd.conf; if [ -f /etc/ltsp/dhcpd.conf ]; then CONFIG_FILE=/etc/ltsp/dhcpd.conf; fi; exec dhcpd -user dhcpd -group dhcpd -f -4 -pf /run/dhcp-server/dhcpd.pid -cf $CONFIG_FILE $INTERFACES (code=exited, status=1/FAILURE) Process: 8081 ExecStartPre=/bin/chown dhcpd:dhcpd /run/dhcp-server (code=exited, status=0/SUCCESS) Main PID: 8090 (code=exited, status=1/FAILURE) Jan 19 23:43:40 xenial-dhcp-test sh[8090]: Can't open lease database /var/lib/dhcp/dhcpd.leases: No suc...y -- Jan 19 23:43:40 xenial-dhcp-test sh[8090]: check for failed database rewrite attempt! Jan 19 23:43:40 xenial-dhcp-test sh[8090]: Please read the dhcpd.leases manual page if you Jan 19 23:43:40 xenial-dhcp-test sh[8090]: don't know what to do about this. Jan 19 23:43:40 xenial-dhcp-test sh[8090]: If you think you have received this message due to a bug rather Jan 19 23:43:40 xenial-dhcp-test sh[8090]: than a configuration issue please read the section on submitting Jan 19 23:43:40 xenial-dhcp-test sh[8090]: bugs on either our web page at www.isc.org or in the README file Jan 19 23:43:40 xenial-dhcp-test sh[8090]: before submitting a bug. These pages explain the proper Jan 19 23:43:40 xenial-dhcp-test sh[8090]: process and the information we find helpful for debugging.. Jan 19 23:43:40 xenial-dhcp-test sh[8090]: exiting. Hint: Some lines were ellipsized, use -l to show in full. 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