udevadm error sending message: Connection refused - messages while reloading udev rules.

Issue

• Unable to reload udevd .

• Unable to enable debug logging for udev.

  # udevadm control --log-priority=debug
  error sending message: Connection refused
  udevadm[2825]: error sending message: Connection refused
  

• Reloading udevd to add/implement the newly configured udev rules, we get

  # udevadm control --reload-rules
  error sending message: Connection refused
  udevadm[38139]: error sending message: Connection refused