[Bug]: Containers cannot talk to one another with Kernel Version >= 6.19 #3635

Client: Docker Engine - Community
 Version:           29.3.1
 API version:       1.51 (downgraded from 1.54)
 Go version:        go1.25.8
 Git commit:        c2be9cc
 Built:             Wed Mar 25 16:17:07 2026
 OS/Arch:           linux/amd64
 Context:           default

Server: Docker Engine - Community
 Engine:
  Version:          28.5.2
  API version:      1.51 (minimum version 1.24)
  Go version:       go1.25.3
  Git commit:       89c5e8f
  Built:            Wed Nov  5 14:43:24 2025
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          v2.2.2
  GitCommit:        301b2dac98f15c27117da5c8af12118a041a31d9
 runc:
  Version:          1.3.4
  GitCommit:        v1.3.4-0-gd6d73eb8
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

Client: Docker Engine - Community
 Version:    29.3.1
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.33.0
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v5.1.1
    Path:     /usr/libexec/docker/cli-plugins/docker-compose

Server:
 Containers: 0
  Running: 0
  Paused: 0
  Stopped: 0
 Images: 20
 Server Version: 28.5.2
 Storage Driver: overlay2
  Backing Filesystem: btrfs
  Supports d_type: true
  Using metacopy: false
  Native Overlay Diff: true
  userxattr: false
 Logging Driver: json-file
 Cgroup Driver: systemd
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 CDI spec directories:
  /etc/cdi
  /var/run/cdi
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 301b2dac98f15c27117da5c8af12118a041a31d9
 runc version: v1.3.4-0-gd6d73eb8
 init version: de40ad0
 Security Options:
  seccomp
   Profile: builtin
  cgroupns
 Kernel Version: 6.18.12-200.fc43.x86_64
 Operating System: Fedora Linux 43 (KDE Plasma Desktop Edition)
 OSType: linux
 Architecture: x86_64
 CPUs: 16
 Total Memory: 30.04GiB
 Name: fedora
 ID: cbb7df5c-26a1-4b41-8537-d2bbd6f253e8
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Username: tdellmann
 Experimental: false
 Insecure Registries:
  ::1/128
  127.0.0.0/8
 Live Restore Enabled: false
 Firewall Backend: iptables+firewalld

[2026-04-07 05:32:26.681 +0000] INFO: 🔑 Using mongodb with {"type":"mongodb","mongodb":{"uri":"mongodb://172.17.0.7:27017/myDB","collection":"myCol","secondCol":"secondCol"}}
    mongowrapper: "circuitbreaker"
[  MongoServerSelectionError: connect ECONNREFUSED 172.17.0.7:27017

  - topology.js:321 Topology.selectServer
    [app]/[mongodb]/lib/sdam/topology.js:321:38

  - topology.js:200 async Topology._connect
    [app]/[mongodb]/lib/sdam/topology.js:200:28

  - topology.js:152 async Topology.connect
    [app]/[mongodb]/lib/sdam/topology.js:152:13

  - mongo_client.js:233 async topologyConnect
    [app]/[mongodb]/lib/mongo_client.js:233:17

  - mongo_client.js:246 async MongoClient._connect
    [app]/[mongodb]/lib/mongo_client.js:246:13

  - mongo_client.js:171 async MongoClient.connect
    [app]/[mongodb]/lib/mongo_client.js:171:13

  - mongo_client.js:360 async MongoClient.connect
    [app]/[mongodb]/lib/mongo_client.js:360:16

  - server.js:65 async start
    file:///dist/cmd/server.js:65:24

] {
  errorLabelSet: Set(0) {},
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) { '172.17.0.7:27017' => [ServerDescription] },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    setName: null,
    maxElectionId: null,
    maxSetVersion: null,
    commonWireVersion: 0,
    logicalSessionTimeoutMinutes: null
  },
  code: undefined,
  [cause]: [  MongoNetworkError: connect ECONNREFUSED 172.17.0.7:27017

    - connect.js:285 Socket.<anonymous>
      [app]/[mongodb]/lib/cmap/connect.js:285:44

    - node:events:634 Object.onceWrapper
      node:events:634:26

    - node:events:519 Socket.emit
      node:events:519:28

    - node:domain:489 Socket.emit
      node:domain:489:12

    - destroy:170 emitErrorNT
      node:internal/streams/destroy:170:8

    - destroy:129 emitErrorCloseNT
      node:internal/streams/destroy:129:3

    - task_queues:89 process.processTicksAndRejections
      node:internal/process/task_queues:89:21

  ] {
    errorLabelSet: Set(1) { 'ResetPool' },
    beforeHandshake: false,
    [cause]: [  Error: connect ECONNREFUSED 172.17.0.7:27017

      - node:net:1637 TCPConnectWrap.afterConnect [as oncomplete]
        node:net:1637:16

      - async_hooks:130 TCPConnectWrap.callbackTrampoline
        node:internal/async_hooks:130:17

    ] {
      errno: -111,
      code: 'ECONNREFUSED',
      syscall: 'connect',
      address: '172.17.0.7',
      port: 27017
    }
  }
}