Origin for each line in udevd.service.mk from check-in d8511a3d7c:

d8511a3d7c 2022-05-30    1: DAEMON_udevd_COMMAND?=/sbin/udevd
d8511a3d7c 2022-05-30    2: DAEMON_udevd_ENABLE?=yes
d8511a3d7c 2022-05-30    3: DAEMON_udevd_FOREGROUND?=-d
d8511a3d7c 2022-05-30    4: 
d8511a3d7c 2022-05-30    5: udevd: ${_EARLYSERVICE}