Ubuntu used a patch for this, but it's just a work-around for now and multiple upstream's developers told me that is not the right approach to use. -- debbug#555134 ...
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ID Status▲ Resolution Sev▲ Product Comp▼ Assignee▲ Reporter▲ Summary▲
36986 NEW --- nor Sisyphus virtualb sin zxwarior Рассинхронизация runlevel в сервисах vboxadd{,-service}

File a new bug in the "virtualbox-guest-utils" component of the "Sisyphus" product