Upgrading from breezy to edgy is not supported. First upgrade from breezy to dapper, and then upgrade from dapper to edgy.
This is explicitly mentioned in the release announcement and notes.
** Changed in: udev (Ubuntu)
Status: Unconfirmed => Rejected
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Lost file on upgrading breezy->edgy (/etc/udev/rules.d/020_permissions.rules)
https://launchpad.net/bugs/67937
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