[Bug 294025] ifconfig CARP results in SIOCSVH: No such file or directory

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 24 Mar 2026 13:47:43 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294025

            Bug ID: 294025
           Summary: ifconfig CARP results in SIOCSVH: No such file or
                    directory
           Product: Base System
           Version: 15.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: goran.lowkrantz@ismobile.com

Updated to latest 15.0-RELEASE-p4 updated 2026-03-21, configuring CARP on
interface files with 

SIOCSVH: No such file or directory 

On system 15.0-RELEASE-p4 updated 2026-03-15 the config is working.

Not working: # sysctl kern.version
kern.version: FreeBSD 15.0-RELEASE-p4 GENERIC

# ls -la /boot/kernel/carp.ko /boot/kernel/kernel
-r--r--r--  2 root wheel    96040 Nov 28 04:42 /boot/kernel/carp.ko
-r--r--r--  1 root wheel 29339192 Mar 18 20:56 /boot/kernel/kernel
# md5 /boot/kernel/carp.ko
MD5 (/boot/kernel/carp.ko) = 58c41780aaedb68832af707907c088ad

# working: admglz@proxy02:~ % sysctl kern.version
kern.version: FreeBSD 15.0-RELEASE-p4 GENERIC

admglz@proxy02:~ % ls -la /boot/kernel/carp.ko /boot/kernel/kernel
-r--r--r--  1 root wheel    96040 Feb 27 16:39 /boot/kernel/carp.ko
-r--r--r--  1 root wheel 29339192 Feb 27 16:39 /boot/kernel/kernel
admglz@proxy02:~ % md5 /boot/kernel/carp.ko
MD5 (/boot/kernel/carp.ko) = 58c41780aaedb68832af707907c088ad

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