Date: Thu, 15 May 2025 12:40:06 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Kristof Provost <kp@FreeBSD.org> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, ivy@freebsd.org, freebsd-current@freebsd.org Subject: Re: epair(4) Message-ID: <20250515194006.A69EAB6@slippy.cwsent.com> In-Reply-To: <406249F9-B0FC-4E22-9402-683531321E72@FreeBSD.org> References: <20250515162552.9209B20E@slippy.cwsent.com> <20250515185919.87008219@slippy.cwsent.com> <406249F9-B0FC-4E22-9402-683531321E72@FreeBSD.org>
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In message <406249F9-B0FC-4E22-9402-683531321E72@FreeBSD.org>, Kristof
Provost
writes:
> On 15 May 2025, at 20:59, Cy Schubert wrote:
> > In message <20250515162552.9209B20E@slippy.cwsent.com>, Cy Schubert wri=
> tes:
> >> Over the last couple of days epair(4) fails to set up when an IP addre=
> ss 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.
> >
> Is epair0a a member of a bridge? If so, that=E2=80=99s a configuration er=
> ror which is now prevented (by default).
Yes, epair0a, member of bridge0 is prevented from coming up.
My jail configuration:
test2 {
$if = "0"; # Jail ID number
$ip_addr = "10.1.1.71"; # Jail ipv4 address
$netmask = "0xffffff00";
$ip_host = "10.1.1.70"; # Gateway or host's ipv4
address
$ip_route = "10.1.1.254"; # Gateway or host's ipv4
address
$ip6_addr = "fc00:1:1:1::47"; # Jail ipv6 address
$ip6_route = "fc00:1:1:1::fffe"; # Gateway or host's ipv6
address
vnet;
vnet.interface = "epair${if}b";
allow.set_hostname = "1";
exec.prestart = "/sbin/sysctl kern.sugid_coredump=1";
exec.prestart = "ifconfig epair${if} create up";
exec.prestart += "ifconfig bridge0 addm epair${if}a";
# exec.prestart += "ifconfig bridge0 addm sk0";
exec.prestart += "/sbin/ifconfig epair${if}a inet ${ip_host} netmask
${netmask} up";
# exec.prestart += "/sbin/route change -host ${ip_host} -iface
epair${if}a";
# exec.prestart += "/sbin/route add -host ${ip_addr} -iface
epair${if}a";
exec.start = "/sbin/ifconfig epair${if}b inet ${ip_addr} netmask
${netmask} up";
exec.start += "/sbin/ifconfig epair${if}b inet6 ${ip6_addr} up";
exec.start += "/sbin/route add default -gateway ${ip_route}";
exec.start += "/sbin/route add -inet6 default -gateway
${ip6_route}";
exec.start += "/bin/sh /etc/rc";
exec.stop = "/bin/sh /etc/rc.shutdown";
exec.poststop = "ifconfig epair${if}a destroy";
# exec.poststop += "ifconfig bridge0 deletem sk0";
}
--
Cheers,
Cy Schubert <Cy.Schubert@cschubert.com>
FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org
NTP: <cy@nwtime.org> Web: https://nwtime.org
e^(i*pi)+1=0
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