systemd/udev-control.socket

   1 [Unit]
   2 Description=udev Control Socket
   3 DefaultDependencies=no
   4 ConditionCapability=CAP_MKNOD
   5
   6 [Socket]
   7 Service=udev.service
   8 ListenSequentialPacket=/run/udev/control
   9 SocketMode=0600
  10 PassCredentials=yes