libvirtaio: add more debug logging
libvirtaio: add more debug logging

This logging is helpful for tracing problems with unclosed connections
and leaking file descriptors.

Signed-off-by: Wojtek Porczyk <53e2fe5c5690f1ce8bbf8bf5960901340127994b@invisiblethingslab.com>

libvirt/libvirt-python,libvirt/libvirt-python,libvirt/libvirt-python