Origin for each line in dntpd.service.mk from check-in 7a1e7f4a58:

7a1e7f4a58 2019-10-21        arcade: DAEMON_dntpd_COMMAND?=/usr/sbin/dntpd
7a1e7f4a58 2019-10-21        arcade: DAEMON_dntpd_FLAGS?=-F
7a1e7f4a58 2019-10-21        arcade: 
7a1e7f4a58 2019-10-21        arcade: dntpd: _service NETWORK