The directory /run/dhcp-server is already owned by dhcpd:dhcpd, but dhcpd is writing to it as root which requires CAP_DAC_OVERRIDE. The directory needs to be owned by root:root if dhcpd is going to write the PID file as root.
The directory /run/dhcp-server is already owned by dhcpd:dhcpd, but dhcpd is writing to it as root which requires CAP_DAC_OVERRIDE. The directory needs to be owned by root:root if dhcpd is going to write the PID file as root.