[CentOS] Problem: udevb[478]: add_to_rules: unknown key 'ATTRS{idProduct}'

Hi, all :


Today my laptop shows the following messages during booting:

udevb[478]: add_to_rules: unknown key 'ATTRS{idProduct}'
udevb[478]: add_to_rules: unknown key 'ATTRS{idVendor}'
.....
.....
....

These many  lines are repeated over and over filling the whole screen.
But after a few seconds booting continues as usual and the system works
fine.


But what is it with this messages, what does it mean  and how do i get rid
of it?


Thanks ~
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