I'm also affected by this on ubuntu 16.04. The patched systemd-unit-file
does not work for me.
With the original unit-file the systems starts fine and all bridges and
physical interfaces are configured by openvswitch, but the systems hangs
during shutdown.
With patched unit-file the physical inte
sry, i was wrong. I had some issues in my /etc/network/interfaces-file
which caused the patched unit-file to malfunction. To be more precise: i
did put a line "auto " above any device enslaved by openvswitch-
bridges or -bonds later on. That forced ifup@ to turn the devices on
before they were ensl
