cast bytea to macaddr

Greetings Pg folks,

I have a database schema (not mine) that uses bytea to represent a MAC
address. I'd like to create a view that casts that field into a MACADDR
type.

# \d lease4
Table "public.lease4"
Column │ Type │ Collation │ Nullable │ Default
════════════════╪══════════════════════════╪═══════════╪══════════╪═════════
hwaddr │ bytea │ │ │

# select hwaddr from lease4;
hwaddr
════════════════
\x9cebe803e3b9

It looks like I can cast the bytea to text and then manipulate that and
finally cast it to macaddr.

Is there a better, or more canonical, way to convert/cast this field?

Thanks for any help!

-m