with debian 9.4 postfix (my blog) started working once again, and opendmarc (my blog) had a funny five minutes when pidfile mismatched in the systemd config compared to the opendmarc.conf.I also needed
dpkg --configure -a when apt decided stuff was still wrong with opendmarc..
who was right is a debate but I have not changed stuff i still have an opinion of systemd still sucks.
Opendmarc logging for reports also seems broken as to why i will have to look at it but it was and then it did not
I lost cups printers on an separate 686 Debian kernel but the rest of the zoo on i386 printers works so not a terrible headache
Overall forwards and a bit backwards too