Hi there, I have also been bit by this bug. What I am seeing in my logs is:
Feb 19 08:48:48 io postmulti[13920]: fatal: instance /etc/postfix, shlib_directory=/usr/lib/postfix conflicts with instance /etc/postfix, daemon_directory=/usr/lib/postfix Feb 19 08:49:34 io postmulti[14060]: fatal: instance /etc/postfix, shlib_directory=/usr/lib/postfix conflicts with instance /etc/postfix, daemon_directory=/usr/lib/postfix Feb 19 08:49:40 io postmulti[14098]: fatal: instance /etc/postfix, shlib_directory=/usr/lib/postfix conflicts with instance /etc/postfix, daemon_directory=/usr/lib/postfix I'm sorry I can't be of more help, I'm super busy, in the middle of training. Best luck! -- *Work like you don't need the money. Love like you've never been hurt. Dance like nobody's watching.*