[Libguestfs] [PATCH nbdkit v3 0/3] Add new retry filter.

[Richard W.M. Jones]

v2 was here:
https://www.redhat.com/archives/libguestfs/2019-September/msg00221.html

I think this is more like "the one".  It handles reopen failing
correctly, and there is a second test for that.  I also ran my sshd
tests locally and it worked in all scenarios I could think up (except
of course sshd not being available at the start, but we want that to
fail).

Rich.