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isc-dhcpd release and expiry events never execute
In progress, NormalPublicBUG

Description

I was unable to get the dhcp release/expiry events to ever fire in DHCP. The end result is that dhcpd DNS is never removed from /etc/hosts

When logging is turned on, only DHCPREQUEST/OFFER/ACK are logged, never releases, despite them being present in a tcpdump

I suspect this is an upstream issue.

Details

Difficulty level
Normal (likely a few hours)
Version
1,3
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)

Event Timeline

Dmitry changed the task status from Open to In progress.Tue, Feb 23, 3:55 PM
Dmitry claimed this task.
Dmitry triaged this task as Normal priority.
Dmitry added a project: VyOS 1.4 Sagitta.
Dmitry changed Difficulty level from Unknown (require assessment) to Normal (likely a few hours).