libxl: Add timestamp to the libxl driver log.
libxl: Add timestamp to the libxl driver log.

Signed-off-by: Anthony PERARD <bd4ca9e282b840f7a66451c0c1b8fcfed96ac883@citrix.com>

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