ceph-validate: avoid "list index out of range" error
ceph-validate: avoid "list index out of range" error

Be sure that error.path has more than one members before using them.

Signed-off-by: Rishabh Dave <d65d05ccb4d95d4cd49c1a041af3276370381a83@redhat.com>

ceph/ceph-ansible,fgal/ceph-ansible,ceph/ceph-ansible,fgal/ceph-ansible