docker/inspect.go
func (s NetworkSettings) SplitPort(index int) (uint16, string) {
	ptProt, _ := s.PortAt(index)
	vect := strings.Split(ptProt, "/")
	port, _ := strconv.ParseUint(vect[0], 10, 16)
	return uint16(port), vect[1]
}
func (s NetworkSettings) SplitPort(index int) (uint16, string) {
	ptProt, _ := s.PortAt(index)
	vect := strings.Split(ptProt, "/")
	port, _ := strconv.ParseUint(vect[0], 10, 16)
	return uint16(port), vect[1]
}
// SplitPort splits port number and protocol name from Ports string.