NIC entered blocking state pve-manager/9.1.1/42db4a6cf33dac83 (running kernel: 6.17.2-2-pve)

vaibhav5587

New Member
Dec 9, 2025
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Hello,
I have a proxmox server on which multiple VM's are getting disconnected from network once it completes the backup.
I can see the logs below on the VM which got disconnected after the backup job completed.
Also to fix the issue I need to reapply the network or reboot the VM.
Please advice.

Dec 09 03:58:51 GENX2 pvescheduler[2283564]: INFO: Starting Backup of VM 413 (qemu)
Dec 09 04:17:04 GENX2 pvescheduler[2283564]: INFO: Finished Backup of VM 413 (00:18:13)
Dec 09 04:17:43 GENX2 kernel: VLAN3: port 6(tap413i0) entered disabled state
Dec 09 04:17:43 GENX2 kernel: tap413i0: left allmulticast mode
Dec 09 04:17:43 GENX2 kernel: VLAN3: port 6(tap413i0) entered disabled state