- NET_ADMIN
              # CAP_NET_RAW is required to allow iptables mutation of the `nat` table
              - NET_RAW
              # CAP_SYS_ADMIN is required for both ambient and repair, in order to open
              # network namespaces in `/proc` to obtain descriptors for entering pod netnamespaces.
              # There does not appear to be a more granular capability for this.
              - SYS_ADMIN

		return nil, err
	}
	return setupConfigdumpZtunnelConfigWriter(debug, out)
}

func readFile(filename string) ([]byte, error) {
	file := os.Stdin
	if filename != "-" {
		var err error
		file, err = os.Open(filename)
		if err != nil {
			return nil, err
		}
	}
	defer func() {
		if err := file.Close(); err != nil {
			log.Errorf("failed to close %s: %s", filename, err)
		}
	}()