fix: Support multiple mac address on static host binding

harmony/src/domain/topology/network.rs

@@ -17,7 +17,12 @@ pub struct DHCPStaticEntry {
 
 impl std::fmt::Display for DHCPStaticEntry {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let mac = self.mac.iter().map(|m| m.to_string()).collect::<Vec<String>>().join(",");
+        let mac = self
+            .mac
+            .iter()
+            .map(|m| m.to_string())
+            .collect::<Vec<String>>()
+            .join(",");
         f.write_fmt(format_args!(
             "DHCPStaticEntry : name {}, mac {}, ip {}",
             self.name, mac, self.ip