ctr: content digest sha256:ba15b7a60f30deb2c84ddabfcfb9041492fea5998a064b48fa521f69703ba028: not found

sudo ctr run --rm docker.io/library/busybox:latest foo /bin/sh

sudo ctr c checkpoint --task --image --rw foo foo-ckpt

$ sudo ctr i export ./foo.tar foo-ckpt --platform linux/amd64
ctr: content digest sha256:ba15b7a60f30deb2c84ddabfcfb9041492fea5998a064b48fa521f69703ba028: not found

$ sudo ctr i check
ERRO[0000] unable to check unpack for foo-ckpt           error="unexpected media type application/vnd.containerd.container.checkpoint.runtime.options+proto for sha256:d8183a03f8f3429623e6aa55d13c70d1bfc282fe5c3d6562180fdc55c7614589: not found"
REF                              TYPE                                                      DIGEST                                                                  STATUS            SIZE                UNPACKED
docker.io/library/busybox:latest application/vnd.docker.distribution.manifest.list.v2+json sha256:caa382c432891547782ce7140fb3b7304613d3b0438834dce1cad68896ab110a complete (2/2)    756.1 KiB/756.1 KiB true
foo-ckpt                         application/vnd.oci.image.index.v1+json                   sha256:4468afbf7fd57edd61545fbad5f7aa91b36f0d8b3e92b5484e69bfaab1941901 unavailable (0/?) 0.0 B/?             false
ctr: unable to check unpack for foo-ckpt: unexpected media type application/vnd.containerd.container.checkpoint.runtime.options+proto for sha256:d8183a03f8f3429623e6aa55d13c70d1bfc282fe5c3d6562180fdc55c7614589: not found