installLog.Warnf("Error loading CNI config file %s: %v", confFile, err)
				continue
			}
			// Ensure the config has a "type" so we know what plugin to run.
			// Also catches the case where somebody put a conflist into a conf file.
			if conf.Network.Type == "" {
				installLog.Warnf("Error loading CNI config file %s: no 'type'; perhaps this is a .conflist?", confFile)
				continue
			}

		`(?:[[:^punct:]]+[[:punct:]])*` +
		// non-punctuation end of string, i.e., the container ID
		`(?P<containerid>[[:^punct:]]+)$`),

	// This regex applies for container runtimes, that won't put the PodUID into
	// the cgroup name.
	// Currently only cri-o in combination with kubeedge is known for this abnormally.
	regexp.MustCompile(`` +
		// intentionally empty poduid group
		`(?P<poduid>)` +