netlink/netlink_linux.go
func DeleteBridge(name string) error {
	s, err := getIfSocket()
	if err != nil {
		return err
	}
	defer syscall.Close(s)

	nameBytePtr, err := syscall.BytePtrFromString(name)
	if err != nil {
		return err
	}

	var ifr ifreqFlags
	copy(ifr.IfrnName[:len(ifr.IfrnName)-1], []byte(name))
	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s),
		syscall.SIOCSIFFLAGS, uintptr(unsafe.Pointer(&ifr))); err != 0 {
		return err
	}

	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s),
		SIOC_BRDELBR, uintptr(unsafe.Pointer(nameBytePtr))); err != 0 {
		return err
	}
	return nil
}
func DeleteBridge(name string) error {
	s, err := getIfSocket()
	if err != nil {
		return err
	}
	defer syscall.Close(s)

	nameBytePtr, err := syscall.BytePtrFromString(name)
	if err != nil {
		return err
	}

	var ifr ifreqFlags
	copy(ifr.IfrnName[:len(ifr.IfrnName)-1], []byte(name))
	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s),
		syscall.SIOCSIFFLAGS, uintptr(unsafe.Pointer(&ifr))); err != 0 {
		return err
	}

	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(s),
		SIOC_BRDELBR, uintptr(unsafe.Pointer(nameBytePtr))); err != 0 {
		return err
	}
	return nil
}
// Delete the actual bridge device.