"can’t get debug descriptor: Resource temporarily unavailable" message

Not a bug. No any impact on functionality. Just a message during lsusb utilitie’s call:
$ lsusb -v

Port 4: 0000.0100 power
can’t get device qualifier: Resource temporarily unavailable
can’t get debug descriptor: Resource temporarily unavailable
Device Status: 0x0001
Self Powered 

Confirmed on
$ uname -a
Linux ****** 4.18.14-200.fc28.x86_64 -> Fedora 28
$ lsusb -V
lsusb (usbutils) 009

 

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