Increase image backup connect timeout
Increase image backup connect timeout

(cherry picked from commit 24922dead16f22bed197963e4d0510fa33d24b7a)
(cherry picked from commit 3d48bde3e782051c8f9eea0ddff27f1861cdc65a)

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