udp association release log set to debug, matching the creation log

Author: zonyitoo

crates/shadowsocks-service/src/local/net/udp/association.rs

@@ -290,7 +290,7 @@ where
     W: UdpInboundWrite + Send + Sync + Unpin + 'static,
 {
     fn drop(&mut self) {
-        trace!("udp association for {} is closed", self.peer_addr);
+        debug!("udp association for {} is closed", self.peer_addr);
     }
 }
 

crates/shadowsocks-service/src/local/tunnel/udprelay.rs

@@ -256,7 +256,7 @@ struct UdpAssociationContext {
 
 impl Drop for UdpAssociationContext {
     fn drop(&mut self) {
-        trace!("udp tunnel for {} is closed", self.peer_addr);
+        debug!("udp tunnel for {} is closed", self.peer_addr);
     }
 }
 

crates/shadowsocks-service/src/server/udprelay.rs

@@ -238,7 +238,7 @@ struct UdpAssociationContext {
 
 impl Drop for UdpAssociationContext {
     fn drop(&mut self) {
-        trace!("udp association for {} is closed", self.peer_addr);
+        debug!("udp association for {} is closed", self.peer_addr);
     }
 }