Date: Fri, 16 May 2025 22:38:58 +0200 From: Kristof Provost <kp@FreeBSD.org> To: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, ivy@freebsd.org, freebsd-current@freebsd.org Subject: Re: epair(4) Message-ID: <2D38F889-E8C9-49A9-AA80-D5A46FDFFD02@FreeBSD.org> In-Reply-To: <45d0f49d-229b-46b4-af95-6e8c4c856661@plan-b.pwste.edu.pl> References: <20250515162552.9209B20E@slippy.cwsent.com> <20250515185919.87008219@slippy.cwsent.com> <45d0f49d-229b-46b4-af95-6e8c4c856661@plan-b.pwste.edu.pl>
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On 15 May 2025, at 21:32, Marek Zarychta wrote: > W dniu 15.05.2025 o 20:59, Cy Schubert pisze: >> In message <20250515162552.9209B20E@slippy.cwsent.com>, Cy Schubert writes: >>> Over the last couple of days epair(4) fails to set up when an IP address is >>> specified. >>> >>> bob# service jail onestart test2 >>> Starting jails: cannot start jail "test2": >>> epair0a >>> ifconfig: ioctl (SIOCAIFADDR): Invalid argument >>> jail: test2: /sbin/ifconfig epair0a inet 10.1.1.70 netmask 0xffffff00 up: >>> failed >>> . >>> bob# ifconfig epair0a inet 10.1.1.70 netmask 0xffffff00 >>> ifconfig: ioctl (SIOCAIFADDR): Invalid argument >>> bob# ifconfig epair0a inet up >>> bob# >>> >>> >>> >> This regression is caused by b61850c4e6f6. >> >> > Yes, it requires at least head up, similar to old one, known from fibs : > > WARNING: Configuring address on bridge(4) member has been turned off by default. Consider tuning net.link.bridge.member_ifaddrs if needed. > The error message should not suggest changing the sysctl. This is a configuration error and will lead to subtle and unexpected problems. The intent is for the sysctl to go away and for this to be entirely disallowed, without a way to bypass the check in 16.0. As Lexi pointed out in another e-mail: users should assign addresses to the bridge, never to bridge member interfaces. — Kristofhome | help
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