I7eb86edc130d186a66c04b229d46347ec5c0b625 introduced
VIR_ERR_DEVICE_MISSING into the hot unplug libvirt error code list
within detach_device_with_retry. While the change correctly referenced
that the error code was introduced in v4.1.0 it made no attempt to
handle versions prior to this. With MIN_LIBVIRT_VERSION currently pinned
to v4.0.0 we need to handle libvirt < v4.1.0 to avoid referencing the
non-existent error code within the libvirt module.
NOTE(lyarwood): Conflict as I2830ccfc81cfa9654cfeac7ad5effc294f523552
and Idd49b0c70caedfcd42420ffa2ac926a6087d406e are not present in
stable/stein.
Conflicts:
nova/virt/libvirt/driver.py
Closes-Bug: #1891547
Change-Id: I32908b77c18f8ec08211dd67be49bbf903611c34
(cherry picked from commit bc96af5659)
(cherry picked from commit 3f3b889f4e)
(cherry picked from commit c61f4c8e20)
334a479ae2