// descendants of a kubepods directory, however, as of Kubernetes 1.21, cgroups
	// namespaces are in use and therefore we can no longer discern if that is the
	// case from within SPIRE agent container (since the container itself is
	// namespaced). As such, the regex has been relaxed to simply find the pod UID
	// followed by the container ID with allowances for arbitrary punctuation, and