Broken links under /dev/.udev/db

[Declan Mullen <declan@jadplace.com>]

Hi

I am not familiar with /dev/.udev so apologies if this is a dumb questions.

Under my /dev/.udev/db directory there are many broken symbolic links, eg:

 block@md2 -> md2
 class@misc@device-mapper -> mapper/control
 block@ram0 -> ram0
 block@loop0 -> loop0
 class@vc@vcsa5 -> vcsa5

Should I be concerned that so many symbolic links are pointing to files 
that do not exist ?

I'm running etch with the latest updates. My uname output is:
 Linux jack 2.6.18-5-vserver-k7 #1 SMP Mon Dec 24 19:45:10 UTC 2007 
i686 GNU/Linux

Thanks,
Declan