The following test is permafailing (see below for sippy link)

[sig-storage] [Serial] Volume metrics PVC should create metrics for total time taken in volume operations in P/V Controller [Suite:openshift/conformance/serial] [Suite:k8s]

Example failure

https://prow.ci.openshift.org/view/gs/origin-ci-test/logs/periodic-ci-openshift-release-master-ci-4.15-e2e-aws-sdn-serial/1722165323320266752

The test doesn't seem to always run in serial jobs, but whenever it does run, it fails.  And it's often the only test that fails in the run.  This only started a few days ago, around the 4th.

Additional context here:

https://sippy.dptools.openshift.org/sippy-ng/tests/4.15/analysis?test=%5Bsig-storage%5D%20%5BSerial%5D%20Volume%20metrics%20PVC%20should%20create%20metrics%20for%20total%20time%20taken%20in%20volume%20operations%20in%20P%2FV%20Controller%20%5BSuite%3Aopenshift%2Fconformance%2Fserial%5D%20%5BSuite%3Ak8s%5D&filters=%7B%22items%22%3A%5B%7B%22columnField%22%3A%22name%22%2C%22operatorValue%22%3A%22equals%22%2C%22value%22%3A%22%5Bsig-storage%5D%20%5BSerial%5D%20Volume%20metrics%20PVC%20should%20create%20metrics%20for%20total%20time%20taken%20in%20volume%20operations%20in%20P%2FV%20Controller%20%5BSuite%3Aopenshift%2Fconformance%2Fserial%5D%20%5BSuite%3Ak8s%5D%22%7D%2C%7B%22columnField%22%3A%22variants%22%2C%22not%22%3Atrue%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22never-stable%22%7D%2C%7B%22columnField%22%3A%22variants%22%2C%22not%22%3Atrue%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22aggregated%22%7D%5D%2C%22linkOperator%22%3A%22and%22%7D