Make ABI stability issue easier to debug
Make ABI stability issue easier to debug

When ABI stability check fails, we only log the error message describing
the incompatibility. Let's log both XMLs in case of an error to make it
easier to analyze where and why the stability check failed.

Signed-off-by: Jiri Denemark <62bdf77dc47919a4d59a91822129d14633cfca81@redhat.com>

libvirt/libvirt,andreabolognani/libvirt,taget/libvirt,agx/libvirt,libvirt/libvirt,crobinso/libvirt,libvirt/libvirt,elmarco/libvirt,rlaager/libvirt,jardasgit/libvirt,elmarco/libvirt,eskultety/libvirt,jfehlig/libvirt,olafhering/libvirt,jardasgit/libvirt,agx/libvirt,shugaoye/libvirt,jardasgit/libvirt,taget/libvirt,elmarco/libvirt,elmarco/libvirt,shugaoye/libvirt,eskultety/libvirt,olafhering/libvirt,rlaager/libvirt,VenkatDatta/libvirt,andreabolognani/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,libvirt/libvirt,zippy2/libvirt,olafhering/libvirt,taget/libvirt,crobinso/libvirt,nertpinx/libvirt,andreabolognani/libvirt,agx/libvirt,zippy2/libvirt,crobinso/libvirt,agx/libvirt,nertpinx/libvirt,agx/libvirt,crobinso/libvirt,datto/libvirt,eskultety/libvirt,zippy2/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,rlaager/libvirt,eskultety/libvirt,jfehlig/libvirt,andreabolognani/libvirt,datto/libvirt,jfehlig/libvirt,jfehlig/libvirt,VenkatDatta/libvirt,rlaager/libvirt,andreabolognani/libvirt,zippy2/libvirt,datto/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,datto/libvirt,jardasgit/libvirt,shugaoye/libvirt,olafhering/libvirt,nertpinx/libvirt,rlaager/libvirt,datto/libvirt,shugaoye/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,taget/libvirt,taget/libvirt,elmarco/libvirt,shugaoye/libvirt,eskultety/libvirt