Wei Liu writes ("[OSSTEST PATCH v2 13/19] TestSupport: add dpkg option when
> Upgrading configuration file of nbd-client is controlled by dpkg in
> stretch. Add dpkg option to keep old configuration file(s).
I don't think w just want to suppress all these conffile conflicts.
Instead, perhaps it is possible to install nbd-client first and then
configure it, avoiding this problem.
Xen-devel mailing list