diff --git a/crates/wtfnet-probe/src/lib.rs b/crates/wtfnet-probe/src/lib.rs
index b268ad4..7a88bb8 100644
--- a/crates/wtfnet-probe/src/lib.rs
+++ b/crates/wtfnet-probe/src/lib.rs
@@ -6,15 +6,15 @@ use pnet::packet::icmpv6::{Icmpv6Packet, Icmpv6Types};
 use pnet::packet::ip::IpNextHeaderProtocols;
 #[cfg(unix)]
 use pnet::transport::{
-    icmp_packet_iter, icmpv6_packet_iter, transport_channel, TransportChannelType,
-    TransportProtocol,
+    TransportChannelType, TransportProtocol, icmp_packet_iter, icmpv6_packet_iter,
+    transport_channel,
 };
 use serde::{Deserialize, Serialize};
 use socket2::{Domain, Protocol, Socket, Type};
 use std::net::{IpAddr, SocketAddr};
 use std::time::{Duration, Instant};
 use thiserror::Error;
-use tokio::net::{lookup_host, TcpStream};
+use tokio::net::{TcpStream, lookup_host};
 use tokio::time::timeout;
 use wtfnet_geoip::GeoIpRecord;
 
@@ -117,18 +117,19 @@ pub async fn ping(
             .kind(surge_ping::ICMP::V6)
             .build(),
     };
-    let client = surge_ping::Client::new(&config)
-        .map_err(|err| ProbeError::Ping(err.to_string()))?;
-    let mut pinger = client
-        .pinger(addr, surge_ping::PingIdentifier(0))
-        .await;
+    let client =
+        surge_ping::Client::new(&config).map_err(|err| ProbeError::Ping(err.to_string()))?;
+    let mut pinger = client.pinger(addr, surge_ping::PingIdentifier(0)).await;
     let timeout_dur = Duration::from_millis(timeout_ms);
 
     for seq in 0..count {
         let seq = seq as u16;
         let start = Instant::now();
-        let response =
-            timeout(timeout_dur, pinger.ping(surge_ping::PingSequence(seq), &[0; 8])).await;
+        let response = timeout(
+            timeout_dur,
+            pinger.ping(surge_ping::PingSequence(seq), &[0; 8]),
+        )
+        .await;
         match response {
             Ok(Ok((_packet, _))) => {
                 let rtt = start.elapsed().as_millis();
@@ -250,11 +251,10 @@ pub async fn tcp_trace(
     for ttl in 1..=max_hops {
         let addr = socket_addr;
         let start = Instant::now();
-        let result = tokio::task::spawn_blocking(move || {
-            tcp_connect_with_ttl(addr, ttl, timeout_dur)
-        })
-        .await
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+        let result =
+            tokio::task::spawn_blocking(move || tcp_connect_with_ttl(addr, ttl, timeout_dur))
+                .await
+                .map_err(|err| ProbeError::Io(err.to_string()))?;
 
         match result {
             Ok(()) => {
@@ -308,8 +308,8 @@ pub async fn udp_trace(
         let addr = SocketAddr::new(addr, port);
         let start = Instant::now();
         let result = tokio::task::spawn_blocking(move || udp_trace_hop(addr, ttl, timeout_dur))
-        .await
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+            .await
+            .map_err(|err| ProbeError::Io(err.to_string()))?;
 
         match result {
             Ok((hop_addr, reached)) => {
@@ -385,11 +385,7 @@ async fn resolve_one(target: &str) -> Result<IpAddr, ProbeError> {
         .ok_or_else(|| ProbeError::Resolve("no address found".to_string()))
 }
 
-fn tcp_connect_with_ttl(
-    addr: SocketAddr,
-    ttl: u8,
-    timeout: Duration,
-) -> Result<(), ProbeError> {
+fn tcp_connect_with_ttl(addr: SocketAddr, ttl: u8, timeout: Duration) -> Result<(), ProbeError> {
     let domain = match addr.ip() {
         IpAddr::V4(_) => Domain::IPV4,
         IpAddr::V6(_) => Domain::IPV6,
@@ -441,11 +437,11 @@ fn udp_trace_hop_v4(
 ) -> Result<(Option<IpAddr>, bool), ProbeError> {
     let protocol =
         TransportChannelType::Layer4(TransportProtocol::Ipv4(IpNextHeaderProtocols::Icmp));
-    let (_tx, mut rx) = transport_channel(4096, protocol)
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+    let (_tx, mut rx) =
+        transport_channel(4096, protocol).map_err(|err| ProbeError::Io(err.to_string()))?;
 
-    let socket = std::net::UdpSocket::bind("0.0.0.0:0")
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+    let socket =
+        std::net::UdpSocket::bind("0.0.0.0:0").map_err(|err| ProbeError::Io(err.to_string()))?;
     socket
         .set_ttl(u32::from(ttl))
         .map_err(|err| ProbeError::Io(err.to_string()))?;
@@ -472,13 +468,13 @@ fn udp_trace_hop_v6(
 ) -> Result<(Option<IpAddr>, bool), ProbeError> {
     let protocol =
         TransportChannelType::Layer4(TransportProtocol::Ipv6(IpNextHeaderProtocols::Icmpv6));
-    let (_tx, mut rx) = transport_channel(4096, protocol)
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+    let (_tx, mut rx) =
+        transport_channel(4096, protocol).map_err(|err| ProbeError::Io(err.to_string()))?;
 
-    let socket = std::net::UdpSocket::bind("[::]:0")
-        .map_err(|err| ProbeError::Io(err.to_string()))?;
+    let socket =
+        std::net::UdpSocket::bind("[::]:0").map_err(|err| ProbeError::Io(err.to_string()))?;
     socket
-        .set_unicast_hops_v6(u32::from(ttl))
+        .set_multicast_hops_v6(u32::from(ttl))
         .map_err(|err| ProbeError::Io(err.to_string()))?;
     let _ = socket.send_to(&[0u8; 4], addr);