[GH-ISSUE #1853] Netbird Clients drop and never return #3533

New Issue

saavagebueno · 2026-08-05T00:52:55-04:00

saavagebueno commented

2026-08-05 00:52:55 -04:00

Originally created by @lazerusrm on GitHub (Apr 16, 2024).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/1853

Describe the problem
SELF HOSTED Server is up to date as of today. Installing netbird clients (primarily on debian 12) they disconnect, and never return. this is happening across many machines (more than 10 so far) if i remote in another way, i get this info which is the same across most devices:
Daemon version: 0.27.3
CLI version: 0.27.3
Management: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout
Signal: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout
Relays: 0/2 Available
Nameservers: 0/0 Available
FQDN:
NetBird IP:
Interface type: Kernel
Quantum resistance: false
Routes: -
Peers count: 0/8 Connected
:# netbird up
Already connected
# netbird status
Daemon version: 0.27.3
CLI version: 0.27.3
Management: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout
Signal: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout
Relays: 0/2 Available
Nameservers: 0/0 Available
FQDN:
NetBird IP:
Interface type: Kernel
Quantum resistance: false
Routes: -
Peers count: 0/8 Connected

A clear and concise description of what the problem is.

To Reproduce

install on debian, connect using auth key. wait. system goes offline. never returns. "netbird up" returns "connected" if i do a "netbird down" and "netbird up" client returns.
i need netbird to be more persistent about attempting to reconnect, it doesnt help if i remote locate a device and it disconnects.... forever without manual intervention. I assume this is what i should expect?

Steps to reproduce the behavior:

Go to '...'
Click on '....'
Scroll down to '....'
See error

Expected behavior

A clear and concise description of what you expected to happen.

Stay connected, always, no matter what, forever.

Are you using NetBird Cloud?
No
Please specify whether you use NetBird Cloud or self-host NetBird's control plane.
Self Hosted
NetBird version
.27.3
netbird version

NetBird status -d output:

If applicable, add the `netbird status -d' command output.

Screenshots

If applicable, add screenshots to help explain your problem.

Additional context

Add any other context about the problem here.

Originally created by @lazerusrm on GitHub (Apr 16, 2024). Original GitHub issue: https://github.com/netbirdio/netbird/issues/1853 **Describe the problem** **SELF HOSTED** Server is up to date as of today. Installing netbird clients (primarily on debian 12) they disconnect, and never return. this is happening across many machines (more than 10 so far) if i remote in another way, i get this info which is the same across most devices: Daemon version: 0.27.3 CLI version: 0.27.3 Management: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout Signal: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout Relays: 0/2 Available Nameservers: 0/0 Available FQDN: <FQDN> NetBird IP: <IP> Interface type: Kernel Quantum resistance: false Routes: - Peers count: 0/8 Connected <linuxhost>:~# netbird up Already connected <linuxhost>~# netbird status Daemon version: 0.27.3 CLI version: 0.27.3 Management: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout Signal: Disconnected, reason: rpc error: code = Unavailable desc = keepalive ping failed to receive ACK within timeout Relays: 0/2 Available Nameservers: 0/0 Available FQDN: <FQDN> NetBird IP: <IP> Interface type: Kernel Quantum resistance: false Routes: - Peers count: 0/8 Connected A clear and concise description of what the problem is. **To Reproduce** install on debian, connect using auth key. wait. system goes offline. never returns. "netbird up" returns "connected" if i do a "netbird down" and "netbird up" client returns. i need netbird to be more persistent about attempting to reconnect, it doesnt help if i remote locate a device and it disconnects.... forever without manual intervention. I assume this is what i should expect? Steps to reproduce the behavior: 1. Go to '...' 2. Click on '....' 3. Scroll down to '....' 4. See error **Expected behavior** A clear and concise description of what you expected to happen. Stay connected, always, no matter what, forever. **Are you using NetBird Cloud?** No Please specify whether you use NetBird Cloud or self-host NetBird's control plane. Self Hosted **NetBird version** .27.3 `netbird version` **NetBird status -d output:** If applicable, add the `netbird status -d' command output. **Screenshots** If applicable, add screenshots to help explain your problem. **Additional context** Add any other context about the problem here.

saavagebueno added the waiting-feedback triage-needed labels 2026-08-05 00:52:55 -04:00

saavagebueno referenced this issue

2026-08-05 04:07:43 -04:00

[PR #3533] [CLOSED] [client] Improve Test Coverage #17769

saavagebueno referenced this issue

2026-08-05 04:07:43 -04:00

[PR #3533] [client] Improve Test Coverage #17776

saavagebueno referenced this issue

2026-08-05 05:07:36 -04:00

[PR #3533] [CLOSED] [client] Improve Test Coverage #20715

saavagebueno referenced this issue

2026-08-05 05:07:36 -04:00

[PR #3533] [client] Improve Test Coverage #20722

saavagebueno referenced this issue

2026-08-05 06:06:35 -04:00

[PR #3533] [CLOSED] [client] Improve Test Coverage #22943

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Reference: DYNR/netbird#3533