it works with the solution:
sudo ln -s /etc/apparmor.d/usr.sbin.dhcpd /etc/apparmor.d/disable/
sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.dhcpd
I am running dhcpd on infiniband, ipoib on ib0, here is the working output:
rolly@head:~$ sudo service isc-dhcp-server status
[sudo] password for rolly:
● isc-dhcp-server.service - ISC DHCP IPv4 server
Loaded: loaded (/lib/systemd/system/isc-dhcp-server.service; disabled; vendor preset: enabled)
Active: active (running) since Mon 2017-01-09 22:05:34 HKT; 19min ago
Docs: man:dhcpd(8)
Main PID: 5173 (dhcpd)
Tasks: 1
Memory: 9.0M
CPU: 25ms
CGroup: /system.slice/isc-dhcp-server.service
└─5173 dhcpd -user dhcpd -group dhcpd -f -4 -pf /run/dhcp-server/dhcpd.pid -cf /etc/dhcp/dhcpd.conf ib0
Jan 09 22:05:34 head dhcpd[5173]: All rights reserved.
Jan 09 22:05:34 head dhcpd[5173]: For info, please visit https://www.isc.org/software/dhcp/
Jan 09 22:05:34 head dhcpd[5173]: Wrote 0 leases to leases file.
Jan 09 22:05:34 head dhcpd[5173]: Listening on LPF/ib0//192.168.0.0/24
Jan 09 22:05:34 head sh[5173]: Listening on LPF/ib0//192.168.0.0/24
Jan 09 22:05:34 head sh[5173]: Sending on LPF/ib0//192.168.0.0/24
Jan 09 22:05:34 head sh[5173]: Sending on Socket/fallback/fallback-net
Jan 09 22:05:34 head dhcpd[5173]: Sending on LPF/ib0//192.168.0.0/24
Jan 09 22:05:34 head dhcpd[5173]: Sending on Socket/fallback/fallback-net
Jan 09 22:05:34 head dhcpd[5173]: Server starting service.
Issue still exists with fresh installation of 16.04 server.
rolly@head:~$ apt-show-versions | grep isc-dhcp-server server: amd64/xenial- updates 4.3.3-5ubuntu12.6 uptodate
isc-dhcp-
it works with the solution: d/usr.sbin. dhcpd /etc/apparmor. d/disable/ d/usr.sbin. dhcpd
sudo ln -s /etc/apparmor.
sudo apparmor_parser -R /etc/apparmor.
I am running dhcpd on infiniband, ipoib on ib0, here is the working output: server. service - ISC DHCP IPv4 server system/ isc-dhcp- server. service; disabled; vendor preset: enabled) slice/isc- dhcp-server. service server/ dhcpd.pid -cf /etc/dhcp/ dhcpd.conf ib0
rolly@head:~$ sudo service isc-dhcp-server status
[sudo] password for rolly:
● isc-dhcp-
Loaded: loaded (/lib/systemd/
Active: active (running) since Mon 2017-01-09 22:05:34 HKT; 19min ago
Docs: man:dhcpd(8)
Main PID: 5173 (dhcpd)
Tasks: 1
Memory: 9.0M
CPU: 25ms
CGroup: /system.
└─5173 dhcpd -user dhcpd -group dhcpd -f -4 -pf /run/dhcp-
Jan 09 22:05:34 head dhcpd[5173]: All rights reserved. /www.isc. org/software/ dhcp/ /192.168. 0.0/24 /192.168. 0.0/24 /192.168. 0.0/24 fallback/ fallback- net /192.168. 0.0/24 fallback/ fallback- net
Jan 09 22:05:34 head dhcpd[5173]: For info, please visit https:/
Jan 09 22:05:34 head dhcpd[5173]: Wrote 0 leases to leases file.
Jan 09 22:05:34 head dhcpd[5173]: Listening on LPF/ib0/
Jan 09 22:05:34 head sh[5173]: Listening on LPF/ib0/
Jan 09 22:05:34 head sh[5173]: Sending on LPF/ib0/
Jan 09 22:05:34 head sh[5173]: Sending on Socket/
Jan 09 22:05:34 head dhcpd[5173]: Sending on LPF/ib0/
Jan 09 22:05:34 head dhcpd[5173]: Sending on Socket/
Jan 09 22:05:34 head dhcpd[5173]: Server starting service.