kubectl get policyreport -A -o json | \
jq '.items[] | select(.results[] | .policy == "<policy_name>" and .result == "fail") | {ns: .metadata.namespace, resource: .scope, results: [.results[] | select(.policy == "<policy_name>" and .result == "fail") | {rule: .rule, message: .message, timestamp: .timestamp.seconds | todate}]}'
#kyverno