fix: Support multiple mac address on static host binding

harmony_types/src/net.rs

@@ -21,7 +21,7 @@ impl From<&MacAddress> for String {
 
 impl std::fmt::Display for MacAddress {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.write_fmt(format_args!("MacAddress {}", String::from(self)))
+        f.write_str(&String::from(self))
     }
 }