[PVE-User] Adding info to backup email from hook script "job-start" phase

[Dietmar Maurer]

> > > Only the stuff printed after each individual "backup-start" seems to
> > > show up, in the vm backup log. Output in "job-start", before the vm
> > > backups themselves is not there.

Ok, you are right - I can see it know.

Those errors are shown in the task log instead.