I hope you can resolve/ revert this ASAP as it brings network down and
finding information on how to fix it becomes very complicated.
Anyway another solution to revert to the working packages is:
if you have an Ubuntu USB stick somewhere
1. Boot "try out Ubuntu"
2. mkdir installation
3. sudo moun
#13 contained the fix for me. commenting out the following gave ypbind
enough time to start so autofs correctly started as well
#if status ypbind | grep -q start/respawn; then
# # something killed ypbind; short-circuit here instead
# # of continuing to try to call ypwhich, since
