- o warn if BUS, ID, SYSFS are used as keys
- (they are SUBSYSTEMS, KERNELS, ATTRS now)
+ - kill rules_generator:
+ - no longer rename netifs in kernel namespace
+ - drop persistent optical names
+ - do not create rules on-the-fly, require explicit configuration
+ for netifs and optical drives
+ - properly document what system management needs to put
+ into rules files