Diff of the two buildlogs:

--
--- b1/build.log	2024-10-25 03:09:09.869181990 +0000
+++ b2/build.log	2024-10-25 03:10:23.794553589 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Nov 26 21:31:18 -12 2025
-I: pbuilder-time-stamp: 1764235878
+I: Current time: Fri Oct 25 17:09:12 +14 2024
+I: pbuilder-time-stamp: 1729825752
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,53 +27,85 @@
 dpkg-source: info: unpacking golang-github-containerd-go-cni_1.1.9-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/23399/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/D01_modify_environment starting
+debug: Running on infom07-i386.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Oct 25 03:09 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=6 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='i386'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="32" [3]="1" [4]="release" [5]="i686-pc-linux-gnu")
+  BASH_VERSION='5.2.32(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=5 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='5e02dabaafbe4dc3bacc4a3b30ce2468'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='23399'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=9b29508c87a8471980aa374ba7815170
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-pc-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=5386
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.ifGTECft/pbuilderrc_n7QO --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ifGTECft/b1 --logfile b1/build.log golang-github-containerd-go-cni_1.1.9-2.dsc'
-  SUDO_GID='111'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.ifGTECft/pbuilderrc_0vQf --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ifGTECft/b2 --logfile b2/build.log golang-github-containerd-go-cni_1.1.9-2.dsc'
+  SUDO_GID=111
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
 I: uname -a
-  Linux infom08-i386 6.10.11+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.10.11-1~bpo12+1 (2024-10-03) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-26-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.112-1 (2024-09-30) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Aug  4  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/23399/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Aug  4 21:30 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -86,7 +118,7 @@
 Depends: debhelper-compat (= 13), dh-golang, golang-any, golang-github-appc-cni-dev (>= 1.0.1~), golang-github-stretchr-testify-dev
 dpkg-deb: building package 'pbuilder-satisfydepends-dummy' in '/tmp/satisfydepends-aptitude/pbuilder-satisfydepends-dummy.deb'.
 Selecting previously unselected package pbuilder-satisfydepends-dummy.
-(Reading database ... 21867 files and directories currently installed.)
+(Reading database ... 19932 files and directories currently installed.)
 Preparing to unpack .../pbuilder-satisfydepends-dummy.deb ...
 Unpacking pbuilder-satisfydepends-dummy (0.invalid.0) ...
 dpkg: pbuilder-satisfydepends-dummy: dependency problems, but configuring anyway as you requested:
@@ -158,10 +190,10 @@
 Get: 39 http://deb.debian.org/debian trixie/main i386 golang-github-stretchr-objx-dev all 0.5.2-1 [25.5 kB]
 Get: 40 http://deb.debian.org/debian trixie/main i386 golang-gopkg-yaml.v3-dev all 3.0.1-3 [74.3 kB]
 Get: 41 http://deb.debian.org/debian trixie/main i386 golang-github-stretchr-testify-dev all 1.9.0-1 [74.7 kB]
-Fetched 64.6 MB in 3s (20.9 MB/s)
+Fetched 64.6 MB in 3s (23.5 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sensible-utils.
-(Reading database ... 
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(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 21867 files and directories currently installed.)
+(Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
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(Reading database ... 100%
(Reading database ... 19932 files and directories currently installed.)
 Preparing to unpack .../00-sensible-utils_0.0.24_all.deb ...
 Unpacking sensible-utils (0.0.24) ...
 Selecting previously unselected package libmagic-mgc.
@@ -337,7 +369,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-containerd-go-cni-1.1.9/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../golang-github-containerd-go-cni_1.1.9-2_source.changes
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-containerd-go-cni-1.1.9/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../golang-github-containerd-go-cni_1.1.9-2_source.changes
 dpkg-buildpackage: info: source package golang-github-containerd-go-cni
 dpkg-buildpackage: info: source version 1.1.9-2
 dpkg-buildpackage: info: source distribution unstable
@@ -355,89 +391,89 @@
    dh_autoreconf -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_configure -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go install -trimpath -v -p 6 github.com/containerd/go-cni
+	cd _build && go install -trimpath -v -p 5 github.com/containerd/go-cni
 internal/coverage/rtcov
-internal/goarch
 internal/byteorder
+internal/goarch
 internal/unsafeheader
+internal/cpu
 internal/godebugs
 internal/goexperiment
-internal/cpu
-internal/goos
-internal/profilerecord
 internal/abi
 internal/chacha8rand
+internal/goos
 internal/runtime/atomic
+internal/profilerecord
 internal/runtime/syscall
+internal/bytealg
 runtime/internal/math
 runtime/internal/sys
+internal/runtime/exithook
 internal/race
+internal/stringslite
 sync/atomic
-internal/runtime/exithook
 internal/asan
 internal/itoa
-internal/bytealg
 internal/msan
 cmp
 math/bits
 unicode/utf8
 unicode
 encoding
-unicode/utf16
+runtime
 math
+unicode/utf16
 internal/nettrace
-internal/stringslite
-runtime
-internal/reflectlite
 internal/weak
 iter
+internal/reflectlite
 sync
 slices
-internal/bisect
-internal/testlog
 internal/singleflight
+internal/testlog
+internal/bisect
 runtime/cgo
-errors
 internal/godebug
-sort
+errors
 internal/oserror
+sort
+path
 io
 strconv
-path
 syscall
 vendor/golang.org/x/net/dns/dnsmessage
-math/rand/v2
 bytes
+reflect
 strings
+math/rand/v2
 internal/concurrent
-reflect
-unique
-math/rand
-net/netip
 regexp/syntax
-bufio
+unique
 time
 internal/syscall/unix
 internal/syscall/execenv
+net/netip
 regexp
+bufio
 context
 io/fs
 internal/poll
+math/rand
 internal/filepathlite
 internal/fmtsort
 encoding/binary
 os
 encoding/base64
-io/ioutil
 path/filepath
 fmt
+io/ioutil
 internal/sysinfo
 net
 os/exec
-runtime/trace
-flag
 runtime/debug
+flag
 encoding/json
+runtime/trace
 testing
 github.com/containernetworking/cni/pkg/types
 github.com/containernetworking/cni/pkg/types/internal
@@ -451,7 +487,7 @@
 github.com/containernetworking/cni/libcni
 github.com/containerd/go-cni
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 6 github.com/containerd/go-cni
+	cd _build && go test -vet=off -v -p 5 github.com/containerd/go-cni
 === RUN   TestLibCNIType020
 --- PASS: TestLibCNIType020 (0.00s)
 === RUN   TestLibCNIType040
@@ -459,7 +495,7 @@
 === RUN   TestLibCNIType100
 --- PASS: TestLibCNIType100 (0.00s)
 PASS
-ok  	github.com/containerd/go-cni	0.007s
+ok  	github.com/containerd/go-cni	0.008s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -486,12 +522,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: not including original source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/5386/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/23399 and its subdirectories
-I: Current time: Wed Nov 26 21:32:06 -12 2025
-I: pbuilder-time-stamp: 1764235926
+I: removing directory /srv/workspace/pbuilder/5386 and its subdirectories
+I: Current time: Fri Oct 25 17:10:22 +14 2024
+I: pbuilder-time-stamp: 1729825822