Fix missing client name in alert
Fix missing client name in alert

(cherry picked from commit 659b13b310a79e73393a7441de3d73840a050cdc)

uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend,uroni/urbackup_backend