- delete mobile-action-modeswitch
   (moved to usb_modeswitch)

 - /run/udev/control socket
   (add ConditionVirtualization=!pidns)

 - rules_generator:
   - no longer rename netif in kernel namespace
   - do not create rules on-the-fly, require explicit
     configuration
   - drop persistent optical names

 - kill tabs?

 - remove deprecated trigger --type=failed logic

 - remove deprecated BUS=, SYSFS{}=, ID= keys