net: nftables: avoid restore failure if the CRIU nft table already exist #2653
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CRIU locks the network during restore in an "empty" network namespace. However, "empty" in this context means CRIU isn't restoring the namespace. This network namespace can be the same namespace where processes have been dumped and so the network is already locked in it. Fixes checkpoint-restore#2650 Signed-off-by: Andrei Vagin <avagin@gmail.com>
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adrianreber
approved these changes
Apr 21, 2025
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CRIU is locking the network during restore in an "empty" network namespace. However, "empty" in this context means CRIU isn't restoring the namespace. This network namespace can be the same namespace where processes have been dumped and so the network is already locked in it.
Fixes #2650