Why do I see "ModemManager[xxxx]: <warn> Couldn't find support for device at '/sys/devices/pci...': not supported by any plugin"?

Solution Unverified - Updated -

Issue

  • Why do I see "ModemManager[xxxx]: Couldn't find support for device at '/sys/devices/pci...': not supported by any plugin"?

Environment

  • Red Hat Enterprise Linux 7
  • ModemManager

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