[Bug 255685] PF: JAIL: fail to connect from jail to jail service when pf enabled

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 01 Feb 2022 15:27:46 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255685

--- Comment #5 from Laurent Frigault <freebsdbugzilla@agneau.org> ---
(In reply to Laurent Frigault from comment #4)
I'd like to add a precision.

On 13.0 :
When adding an ipv4 with a non /32 mask to a jail 2 routes are added :
10.10.10.0/24      link#1             U          bge0
10.10.10.10        link#1             UHS         lo0


When adding an ipv4 with a /32 mask only one route is added to the physical
interface  and the second route to lo0 is missing:
192.168.249.247    link#1             UH         bge0

Before 13.0, the 2 routes are always added even with /32 mask.

192.168.249.195    link#1             UHS         0        5    lo0 =>
192.168.249.195/32 link#1             U           0        0   bce0

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