After some further digging I found https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/692801
I also note that my version of upstart was upgraded *after* mysql: Preparing to replace upstart 0.6.5-8 (using .../upstart_1.4-0ubuntu2_i386.deb)
I'm upgrading from Lucid LTS server, by changing sources.list / apt-get dist-upgrade.
After some further digging I found https:/ /bugs.launchpad .net/ubuntu/ +source/ upstart/ +bug/692801
I also note that my version of upstart was upgraded *after* mysql: 1.4-0ubuntu2_ i386.deb)
Preparing to replace upstart 0.6.5-8 (using .../upstart_
I'm upgrading from Lucid LTS server, by changing sources.list / apt-get dist-upgrade.