Description of problem:

redhat-marketplace-catalog and certified-operators-catalog are in CrashLoopBackOff after MCE and hypershift operators installation

$ oc get pods -n clusters-hyper-0 |grep CrashLoopBackOff
certified-operators-catalog-6d945db8df-j29d4         0/1     CrashLoopBackOff   53 (4m49s ago)   4h11m
redhat-marketplace-catalog-7d44769c67-4qvzr          0/1     CrashLoopBackOff   53 (4m45s ago)   4h11m

in logs for both the same problem reported:

Error: compute digest: compute hash: write tar: open /tmp/cache/cache: permission denied
Usage:
  opm serve <source_path> [flags]

Flags:
      --cache-dir string         if set, sync and persist server cache directory
      --cache-only               sync the serve cache and exit without serving
      --debug                    enable debug logging
  -h, --help                     help for serve
  -p, --port string              port number to serve on (default "50051")
  -t, --termination-log string   path to a container termination log file (default "/dev/termination-log")

Global Flags:
      --skip-tls-verify   skip TLS certificate verification for container image registries while pulling bundles
      --use-http          use plain HTTP for container image registries while pulling bundles

$ oc describe hostedclusters hyper-0 -n clusters
    Message:               [certified-operators-catalog deployment has 1 unavailable replicas, redhat-marketplace-catalog deployment has 1 unavailable replicas]
    Observed Generation:   2
    Reason:                UnavailableReplicas
    Status:                True
    Type:                  Degraded

Version-Release number of selected component (if applicable):

OCP 4.12.0-0.nightly-2022-12-26-191545
multicluster-engine-mce-operator-bundle:v2.2.0-245

How reproducible:

100%

Steps to Reproduce:

1. Install hub cluster (3 maasters)
2.  Install MCE and hypershift operators
3. ...

Actual results:

see above

Expected results:

no problems reported

Additional info:

began to happen after noon of 26.12
must-gather http://rhos-compute-node-10.lab.eng.rdu2.redhat.com/logs/ACM-2524-must-gather.tar.gz