None
Looks recent but single-node installs on ARM dropped to permafail recently:
https://sippy.dptools.openshift.org/sippy-ng/jobs/4.15/runs?filters=%7B%22items%22%3A%5B%7B%22columnField%22%3A%22failed_test_names%22%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22install%20should%20succeed%3A%20overall%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%3Afalse%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22single-node%22%7D%2C%7B%22columnField%22%3A%22variants%22%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22aws%22%7D%2C%7B%22columnField%22%3A%22variants%22%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22arm64%22%7D%2C%7B%22columnField%22%3A%22variants%22%2C%22operatorValue%22%3A%22contains%22%2C%22value%22%3A%22ovn%22%7D%5D%2C%22linkOperator%22%3A%22and%22%7D&sortField=timestamp&sort=desc