systemd/etc/udev/suse/05-udev-early.rules

# sysfs is populated after the event is sent
ACTION=="add", DEVPATH=="/devices/*", ENV{PHYSDEVBUS}=="?*", WAIT_FOR_SYSFS="bus"
ACTION=="add", SUBSYSTEM=="net", WAIT_FOR_SYSFS="address"

# ignore these events until someone needs them
SUBSYSTEM=="drivers",		OPTIONS="ignore_device"
SUBSYSTEM=="module",		OPTIONS="ignore_device"