newt failed to read ICMP packet #110
Description
After the earliest successful deployment and connection to newt, I can never succeed again.
I absolutely opened the ports known in all the documentation, here is newt log and tcpdump on vps pangolin server:
INFO: 2025/08/21 15:33:49 Newt version 1.4.1
DEBUG: 2025/08/21 15:33:50 Endpoint: https://***
DEBUG: 2025/08/21 15:33:50 Log Level: debug
DEBUG: 2025/08/21 15:33:50 Docker Network Validation Enabled: false
DEBUG: 2025/08/21 15:33:50 TLS Private Key Set: false
DEBUG: 2025/08/21 15:33:50 Dns: 8.8.8.8
DEBUG: 2025/08/21 15:33:50 MTU: 1280
DEBUG: 2025/08/21 15:33:50 Received token: ***
DEBUG: 2025/08/21 15:33:51 Public key:***
INFO: 2025/08/21 15:33:51 Websocket connected
INFO: 2025/08/21 15:33:51 Requesting exit nodes from server
DEBUG: 2025/08/21 15:33:51 Sending message: newt/wg/register, data: map[backwardsCompatible:true newtVersion:1.4.1 publicKey:***]
DEBUG: 2025/08/21 15:33:51 Sending message: newt/ping/request, data: map[]
INFO: 2025/08/21 15:33:51 Received ping message
DEBUG: 2025/08/21 15:33:51 Only one exit node available, using it directly: ***
DEBUG: 2025/08/21 15:33:51 Sending message: newt/wg/register, data: map[newtVersion:1.4.1 pingResults:[{ExitNodeID:1 LatencyMs:0 Weight:1 Error: Name:Exit Node SKW27i9h Endpoint:*** WasPreviouslyConnected:true}] publicKey:***]
INFO: 2025/08/21 15:33:51 Received registration message
DEBUG: 2025/08/21 15:33:51 Received: {Type:newt/wg/connect Data:map[endpoint:***:51820 publicKey:*** serverIP:100.89.128.1 targets:map[tcp:[] udp:[]] tunnelIP:100.89.128.4]}
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 2 - started
INFO: 2025/08/21 15:33:51 Connecting to endpoint: ***
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 1 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 3 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 3 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: TUN reader - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 12 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 4 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 9 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 1 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 12 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 11 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 10 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 11 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 2 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 11 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 12 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 3 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 4 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 9 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 2 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 5 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 5 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 7 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 9 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 4 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 6 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 5 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 6 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 7 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 10 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: handshake worker 8 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 6 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 7 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 10 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: encryption worker 8 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 8 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: event worker - started
DEBUG: wireguard: 2025/08/21 15:33:51 Interface up requested
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: decryption worker 1 - started
DEBUG: wireguard: 2025/08/21 15:33:51 UDP bind has been updated
DEBUG: wireguard: 2025/08/21 15:33:51 Interface state was Down, requested Up, now Up
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: receive incoming v6 - started
DEBUG: wireguard: 2025/08/21 15:33:51 Routine: receive incoming v4 - started
DEBUG: wireguard: 2025/08/21 15:33:51 UAPI: Updating private key
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - UAPI: Created
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - UAPI: Adding allowedip
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - UAPI: Updating endpoint
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - UAPI: Updating persistent keepalive interval
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - Starting
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - Routine: sequential receiver - started
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - Sending keepalive packet
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - Sending handshake initiation
DEBUG: wireguard: 2025/08/21 15:33:51 peer(SKW2…iMmw) - Routine: sequential sender - started
DEBUG: 2025/08/21 15:33:51 WireGuard device created. Lets ping the server now...
DEBUG: 2025/08/21 15:33:51 Testing initial connection with reliable ping...
DEBUG: 2025/08/21 15:33:51 Pinging 100.89.128.1
DEBUG: wireguard: 2025/08/21 15:33:56 peer(SKW2…iMmw) - Sending handshake initiation
DEBUG: 2025/08/21 15:33:56 Ping attempt 1/5 failed: failed to read ICMP packet: i/o timeout
DEBUG: 2025/08/21 15:33:56 Pinging 100.89.128.1
DEBUG: wireguard: 2025/08/21 15:34:01 peer(SKW2…iMmw) - Sending handshake initiation
DEBUG: 2025/08/21 15:34:02 Ping attempt 2/5 failed: failed to read ICMP packet: i/o timeout
DEBUG: 2025/08/21 15:34:02 Pinging 100.89.128.1
DEBUG: wireguard: 2025/08/21 15:34:06 peer(SKW2…iMmw) - Sending handshake initiation
DEBUG: 2025/08/21 15:34:08 Ping attempt 3/5 failed: failed to read ICMP packet: i/o timeout
server tcpdump
tcpdump -i any -n udp port 51820
tcpdump: data link type LINUX_SLL2
tcpdump: verbose output suppressed, use -v[v]... for full protocol decode
listening on any, link-type LINUX_SLL2 (Linux cooked v2), snapshot length 262144 bytes
15:33:51.715216 eth0 In IP 115.***.45705 > 154.***.51820: UDP, length 148
15:33:51.715256 br-f1db2ce3ba6b Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:33:51.715262 veth7c763e0 Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:33:51.715498 veth7c763e0 P IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:33:51.715501 br-f1db2ce3ba6b In IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:33:51.715512 eth0 Out IP 154.***.51820 > 115.***.45705: UDP, length 92
15:33:56.716235 eth0 In IP 115.***.45705 > 154.***.51820: UDP, length 148
15:33:56.716268 br-f1db2ce3ba6b Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:33:56.716275 veth7c763e0 Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:33:56.716494 veth7c763e0 P IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:33:56.716497 br-f1db2ce3ba6b In IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:33:56.716510 eth0 Out IP 154.***.51820 > 115.***.45705: UDP, length 92
15:34:01.716976 eth0 In IP 115.***.45705 > 154.***.51820: UDP, length 148
15:34:01.717061 br-f1db2ce3ba6b Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:34:01.717074 veth7c763e0 Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:34:01.717289 veth7c763e0 P IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:34:01.717292 br-f1db2ce3ba6b In IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:34:01.717303 eth0 Out IP 154.***.51820 > 115.***.45705: UDP, length 92
15:34:06.717282 eth0 In IP 115.***.45705 > 154.***.51820: UDP, length 148
15:34:06.717316 br-f1db2ce3ba6b Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:34:06.717323 veth7c763e0 Out IP 115.***.45705 > 172.19.0.3.51820: UDP, length 148
15:34:06.717550 veth7c763e0 P IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:34:06.717553 br-f1db2ce3ba6b In IP 172.19.0.3.51820 > 115.***.45705: UDP, length 92
15:34:06.717564 eth0 Out IP 154.***.51820 > 115.***.45705: UDP, length 92
Currently I doubt whether the operator has blocked some places, Hope to get some help