Gaia VRRP member freezes when deleting a VLAN interface

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Technical Level

Solution ID	sk106226
Technical Level
Product	Cluster - 3rd party
Version	R76, R77, R77.10, R77.20, R77.30
OS	Gaia
Platform / Model	All
Date Created	08-Jun-2015
Last Modified	07-May-2019

Symptoms

Gaia VRRP member freezes when deleting a VLAN interface previously associated with VRRP.
The following message appears repeatedly on the console, in dmesg and in /var/log/messages files:
unregister_netdevice: waiting for <Name_of_Interface.VLAN> to become free. Usage count = <N>

Cause

When the VRRP module fails to add a PARP entry to the Passive ARP Table table (add_parp_tbl), the device reference count is not released. This will lead to "unregister_netdevice" errors.

Solution

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