We were able to reproduce this in the generic kernels, working on a
potential fix now.
** Changed in: linux-gke (Ubuntu Jammy)
Assignee: (unassigned) => Ian Whitfield (ijwhitfield)
** Changed in: linux-gke (Ubuntu Jammy)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/2089699
Title:
kernel:nft "Could not process rule: Device or resource busy" on
unreferenced chain
Status in linux-gke package in Ubuntu:
New
Status in linux-gke source package in Jammy:
In Progress
Bug description:
We see some nftables/netfilter problems after kernel upgrade from
5.15.0-1061-gke to 5.15.0-1067-gke.
Correct transaction with nft fails with "Error: Could not process rule:
Device or resource busy"
which usually means a deleted chain is referenced, but you can see it's not.
Full nft table dump + transaction + error is in the attached file.
This is logs from kubernetes CI, which started failing immediately after
mentioned kernel update.
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