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NetFlow commit fails due to ip6tables hook when version 5 is configured
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Description

When netflow version 5 is configured, the commit fails because the system tries to apply an ip6tables hook. Version 5 of NetFlow only supports IPv4, so the ip6tables command fails and the commit is aborted.

set system flow-accounting netflow version 5

Observed Behavior:

[ system flow-accounting ]
failed to run command: None ip6tables -t raw -A PREROUTING -j NETFLOW -i
eth0 returned:  exit code: 4
[[system flow-accounting]] failed
Commit failed
[edit]

Details

Version
2026.01.15-0020-rolling
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)