Turns out this bug is not fixed. I now have the following sneak dependency lxsession -> lxsession-logout -> lxpolkit -> polkit-1 -> libpam-systemd -> systemd-sysv
It looks like it was supposed to be lxsession -> lxsession-logout -> polkit-1-auth-agent (lxpolkit -> polkit-1 -> libpam-systemd -> systemd-sysv) where polkit-1-auth-agent is a package swap point.