Try next mirror in case of non-404 errors, too
Try next mirror in case of non-404 errors, too

Signed-off-by: Sebastian Hasler <aed5737ce96c2d4f26b15001f8d5fca426c5e29e@gmx.net>

mikebrow/containerd,mikebrow/containerd,vdemeester/containerd,thaJeztah/containerd,vdemeester/containerd,dmcgowan/containerd,containerd/containerd,estesp/containerd,containerd/containerd,dmcgowan/containerd,thaJeztah/containerd,estesp/containerd