Can you try adding the following to /etc/apparmor.d/local/usr.sbin.dhcpd:
network packet dgram,
And then running
sudo apparmor_parser -rT /etc/apparmor.d/usr.sbin.dhcpd
And see if restart dhcpd then works?
Can you try adding the following to /etc/apparmor. d/local/ usr.sbin. dhcpd:
network packet dgram,
And then running
sudo apparmor_parser -rT /etc/apparmor. d/usr.sbin. dhcpd
And see if restart dhcpd then works?