Without further ado, the following was found: Issue 1: udevd → B<systemd-udevd>(8) Issue 2: B<"yes"> → B<yes> "Use exclusive BSD lock for device or file it operates. The optional argument " "I<mode> can be B<yes>, B<no> (or 1 and 0) or B<nonblock>. If the I<mode> " "argument is omitted, it defaults to B<\"yes\">. This option overwrites " "environment variable B<$LOCK_BLOCK_DEVICE>. The default is not to use any " "lock at all, but it\\(cqs recommended to avoid collisions with udevd or " "other tools."