Not a pulseaudio bug. See your dependency report:
...
sysv-rc 2.86.ds1-38
...
While the version trivially meets the versioned dependency requirement
in the control file, that sysv-rc package is from Debian
testing/unstable and does not contain Ubuntu's multiuser semantics.
Please do not use
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/14153813/Dependencies.txt
--
package pulseaudio 0.9.10-1ubuntu1 failed to install/upgrade:
https://bugs.launchpad.net/bugs/226041
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