# http://git.kernel.org/?p=linux/hotplug/udev.git;a=blob;f=libudev/libudev-enumerate.c;h=da831449dcaf5e936a14409e8e68ab12d30a98e2;hb=HEAD#l742
SUBSYSTEM=="net", KERNEL!="lo", TAG+="systemd", ENV{SYSTEMD_ALIAS}="/sys/subsystem/net/devices/$name"
-SUBSYSTEM=="bluetooth", TAG+="systemd", ENV{SYSTEMD_ALIAS}="/sys/subsystem/bluetooth/devices/$name"
+SUBSYSTEM=="bluetooth", TAG+="systemd", ENV{SYSTEMD_ALIAS}="/sys/subsystem/bluetooth/devices/%k"
SUBSYSTEM=="bluetooth", TAG+="systemd", ENV{SYSTEMD_WANTS}="bluetooth.target"
ENV{ID_SMARTCARD_READER}=="*?", TAG+="systemd", ENV{SYSTEMD_WANTS}="smartcard.target"