I have resolved this for this install; this box had an actual user account called `haproxy`. I renamed this account to something else and attempted the update again. It was successful that time.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to haproxy in Ubuntu. https://bugs.launchpad.net/bugs/1334958 Title: package haproxy 1.4.24-2 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1334958/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs