Origin for each line in pflogd.service.mk from check-in 0be859974c:

0be859974c 2019-10-25    1: DAEMON_pflogd_COMMAND?=/sbin/pflogd
0be859974c 2019-10-25    2: DAEMON_pflogd_MODULES?=pf
0be859974c 2019-10-25    3: DAEMON_pflogd_FLAGS?=-f /var/log/pflog
0be859974c 2019-10-25    4: 
0be859974c 2019-10-25    5: pflogd: roor mount netif
0be859974c 2019-10-25    6: .if !empty(PFLOG_ENABLE:tl:Mno)
0be859974c 2019-10-25    7: 	echo "MRC:$@> Configuring device." ;\
0be859974c 2019-10-25    8: 	kldload -n pf || exit 1 ;\
0be859974c 2019-10-25    9: 	ifconfig pflog0 up || { \
0be859974c 2019-10-25   10: 	  echo "MRC:$@> Failed to set up pflog0 device." ;\
0be859974c 2019-10-25   11: 	  exit 1 ;\
0be859974c 2019-10-25   12: 	} \
0be859974c 2019-10-25   13: .endif