21     address: bytes = field(default=bytes([0, 0, 0, 0, 0, 0]))
25             self.address = bytes([0, 0, 0, 0, 0, 0])
29             self.address = bytes([int(b, 16) for b in address.split(':')])
30         elif isinstance(address, (bytes, list)) and len(address) == 6:
31             self.address = bytes(address)
32         elif isinstance(address, bytes):
34             self.address = bytes([int(b, 16) for b in address.split(':')])
38     def parse(span: bytes) -> Tuple['Address', bytes]:  argument
40         return (Address(bytes(reversed(span[:6]))), span[6:])
42     def parse_all(span: bytes) -> 'Address':  argument
44         return Address(bytes(reversed(span)))
46     def serialize(self) -> bytes:
47         return bytes(reversed(self.address))
70     def parse(span: bytes) -> Tuple['Address', bytes]:  argument
74     def parse_all(span: bytes) -> 'Address':  argument
78     def serialize(self) -> bytes: