1 - add TAGS=="foo" match
3 - revert: "systemd: trigger - run after udev.service (for now)"
4 after systemd has a new release we can depend on
6 - delete mobile-action-modeswitch
7 (moved to usb_modeswitch)
9 - /run/udev/control socket
10 (add ConditionVirtualization=!pidns)
12 - kill rules_generator:
13 - no longer rename netifs in kernel namespace
14 - drop persistent optical names
15 - do not create rules on-the-fly, require explicit configuration
16 for netifs and optical drives
17 - properly document what system management needs to put
22 - remove deprecated trigger --type=failed logic
24 - remove deprecated BUS=, SYSFS{}=, ID= keys