+ o log warning if the kernel uses CONFIG_SYSFS_DEPRECATED*=y,
+ which means that /sys/class/block/ does not exist
+ o DEVTYPE for disks is set by the kernel, they will be removed from
+ the default rules
+ o "udevadm control" commands will only accept the --<command> syntax
+ o symlink names to udevadm will no longer be resolved to old command names