Diff of the two buildlogs:

--
--- b1/build.log	2025-01-21 19:26:19.630215361 +0000
+++ b2/build.log	2025-01-21 19:28:20.152784526 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Jan 21 07:23:10 -12 2025
-I: pbuilder-time-stamp: 1737487390
+I: Current time: Tue Feb 24 15:49:22 +14 2026
+I: pbuilder-time-stamp: 1771897762
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -23,54 +23,86 @@
 dpkg-source: info: unpacking golang-github-digitalocean-go-libvirt_0.0~git20241216.9fbdb61-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/65508/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/14090/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-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 Feb 24 01:49 /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/14090/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/14090/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=11 '
-  DISTRIBUTION='unstable'
-  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]="37" [3]="1" [4]="release" [5]="i686-pc-linux-gnu")
+  BASH_VERSION='5.2.37(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=21 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='06ee581116d74cf4aa56fa9f6fc3addd'
-  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='65508'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=fafb8d2e840b488fb897ac3bbd54d8a4
+  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=14090
   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.UmbCaclu/pbuilderrc_t2le --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.UmbCaclu/b1 --logfile b1/build.log golang-github-digitalocean-go-libvirt_0.0~git20241216.9fbdb61-1.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  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.UmbCaclu/pbuilderrc_UyS9 --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.UmbCaclu/b2 --logfile b2/build.log golang-github-digitalocean-go-libvirt_0.0~git20241216.9fbdb61-1.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos12-i386 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/65508/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/14090/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -166,7 +198,7 @@
 Get: 48 http://deb.debian.org/debian unstable/main i386 golang-golang-x-net-dev all 1:0.27.0-1 [898 kB]
 Get: 49 http://deb.debian.org/debian unstable/main i386 golang-golang-x-sync-dev all 0.7.0-1 [19.0 kB]
 Get: 50 http://deb.debian.org/debian unstable/main i386 golang-golang-x-tools-dev all 1:0.23.0+ds-1 [1593 kB]
-Fetched 74.1 MB in 3s (26.7 MB/s)
+Fetched 74.1 MB in 1s (83.0 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sensible-utils.
 (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%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19837 files and directories currently installed.)
@@ -381,7 +413,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-digitalocean-go-libvirt-0.0~git20241216.9fbdb61/ && 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-digitalocean-go-libvirt_0.0~git20241216.9fbdb61-1_source.changes
+I: user script /srv/workspace/pbuilder/14090/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/14090/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-digitalocean-go-libvirt-0.0~git20241216.9fbdb61/ && 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-digitalocean-go-libvirt_0.0~git20241216.9fbdb61-1_source.changes
 dpkg-buildpackage: info: source package golang-github-digitalocean-go-libvirt
 dpkg-buildpackage: info: source version 0.0~git20241216.9fbdb61-1
 dpkg-buildpackage: info: source distribution unstable
@@ -399,51 +435,51 @@
    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 11 github.com/digitalocean/go-libvirt github.com/digitalocean/go-libvirt/internal/constants github.com/digitalocean/go-libvirt/internal/event github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2 github.com/digitalocean/go-libvirt/libvirttest github.com/digitalocean/go-libvirt/socket github.com/digitalocean/go-libvirt/socket/dialers
-internal/profilerecord
+	cd _build && go install -trimpath -v -p 21 github.com/digitalocean/go-libvirt github.com/digitalocean/go-libvirt/internal/constants github.com/digitalocean/go-libvirt/internal/event github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2 github.com/digitalocean/go-libvirt/libvirttest github.com/digitalocean/go-libvirt/socket github.com/digitalocean/go-libvirt/socket/dialers
+internal/race
+math/bits
+internal/byteorder
 internal/godebugs
-internal/goos
 internal/unsafeheader
+encoding
 internal/goexperiment
-internal/coverage/rtcov
-internal/byteorder
-internal/goarch
-internal/race
 unicode
+internal/itoa
 internal/asan
 unicode/utf8
-runtime/internal/math
-internal/runtime/atomic
-runtime/internal/sys
-internal/cpu
-sync/atomic
-internal/itoa
-internal/chacha8rand
-internal/msan
-internal/runtime/syscall
-internal/abi
-cmp
-encoding
-math/bits
+internal/profilerecord
 unicode/utf16
 github.com/digitalocean/go-libvirt/internal/constants
 internal/nettrace
+internal/runtime/syscall
 container/list
 crypto/internal/alias
+internal/coverage/rtcov
 crypto/internal/boring/sig
+sync/atomic
 vendor/golang.org/x/crypto/cryptobyte/asn1
 vendor/golang.org/x/crypto/internal/alias
 golang.org/x/crypto/internal/alias
 log/internal
+cmp
+internal/goos
+internal/cpu
+internal/goarch
 math
-internal/runtime/exithook
+internal/runtime/atomic
+internal/msan
+internal/abi
+internal/chacha8rand
+runtime/internal/math
+runtime/internal/sys
 internal/bytealg
+internal/runtime/exithook
 internal/stringslite
 runtime
-sync
-internal/weak
 internal/reflectlite
+internal/weak
 iter
+sync
 crypto/subtle
 slices
 internal/bisect
@@ -453,79 +489,79 @@
 errors
 sort
 internal/godebug
+io
 internal/oserror
-vendor/golang.org/x/net/dns/dnsmessage
 path
-io
-crypto/internal/edwards25519/field
 strconv
-math/rand/v2
+vendor/golang.org/x/net/dns/dnsmessage
+crypto/internal/edwards25519/field
 crypto/internal/nistec/fiat
-syscall
-math/rand
-crypto/internal/edwards25519
+math/rand/v2
 bytes
 strings
+math/rand
+syscall
+crypto/internal/edwards25519
 internal/concurrent
 hash
+crypto/internal/randutil
 unique
+reflect
 crypto
-crypto/internal/randutil
 crypto/rc4
-crypto/cipher
 golang.org/x/crypto/blowfish
-reflect
-crypto/internal/boring
-bufio
 crypto/md5
-crypto/des
 net/netip
+crypto/cipher
+bufio
+crypto/internal/boring
+crypto/des
+crypto/aes
+crypto/sha256
 crypto/sha512
 crypto/hmac
-crypto/aes
 crypto/sha1
 vendor/golang.org/x/crypto/hkdf
-crypto/sha256
 golang.org/x/crypto/ssh/internal/bcrypt_pbkdf
-internal/syscall/execenv
-internal/syscall/unix
 time
+internal/syscall/unix
+internal/syscall/execenv
 crypto/internal/nistec
-io/fs
 context
+io/fs
 internal/poll
+encoding/binary
+internal/fmtsort
 github.com/digitalocean/go-libvirt/internal/event
 internal/filepathlite
 crypto/ecdh
 os
-golang.org/x/crypto/curve25519
-internal/fmtsort
-encoding/binary
+encoding/base64
 vendor/golang.org/x/crypto/chacha20
 vendor/golang.org/x/crypto/internal/poly1305
-golang.org/x/crypto/internal/poly1305
-encoding/base64
 golang.org/x/crypto/chacha20
-path/filepath
-vendor/golang.org/x/sys/cpu
+golang.org/x/crypto/internal/poly1305
+golang.org/x/crypto/curve25519
+encoding/pem
+vendor/golang.org/x/crypto/chacha20poly1305
 fmt
+vendor/golang.org/x/sys/cpu
+path/filepath
 net
-vendor/golang.org/x/crypto/chacha20poly1305
-encoding/pem
 vendor/golang.org/x/crypto/sha3
-github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2
+encoding/json
+math/big
 encoding/hex
-log
-net/url
 os/user
-math/big
-encoding/json
-crypto/elliptic
+github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2
+net/url
+log
 crypto/internal/boring/bbig
-crypto/rand
-crypto/dsa
 crypto/internal/bigmod
 encoding/asn1
+crypto/elliptic
+crypto/rand
+crypto/dsa
 crypto/ed25519
 crypto/internal/hpke
 crypto/internal/mlkem768
@@ -534,16 +570,16 @@
 vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
 github.com/digitalocean/go-libvirt/socket
-github.com/digitalocean/go-libvirt/libvirttest
 crypto/x509
-crypto/tls
+github.com/digitalocean/go-libvirt/libvirttest
 golang.org/x/crypto/ssh
+crypto/tls
 golang.org/x/crypto/ssh/knownhosts
 golang.org/x/crypto/ssh/agent
 github.com/digitalocean/go-libvirt/socket/dialers
 github.com/digitalocean/go-libvirt
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 11 github.com/digitalocean/go-libvirt github.com/digitalocean/go-libvirt/internal/constants github.com/digitalocean/go-libvirt/internal/event github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2 github.com/digitalocean/go-libvirt/libvirttest github.com/digitalocean/go-libvirt/socket github.com/digitalocean/go-libvirt/socket/dialers
+	cd _build && go test -vet=off -v -p 21 github.com/digitalocean/go-libvirt github.com/digitalocean/go-libvirt/internal/constants github.com/digitalocean/go-libvirt/internal/event github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2 github.com/digitalocean/go-libvirt/libvirttest github.com/digitalocean/go-libvirt/socket github.com/digitalocean/go-libvirt/socket/dialers
 ?   	github.com/digitalocean/go-libvirt/internal/constants	[no test files]
 ?   	github.com/digitalocean/go-libvirt/libvirttest	[no test files]
 ?   	github.com/digitalocean/go-libvirt/socket/dialers	[no test files]
@@ -600,7 +636,7 @@
 --- PASS: TestRunFail (0.00s)
 === RUN   TestSecrets
 libvirttest pipe closed
---- PASS: TestSecrets (0.02s)
+--- PASS: TestSecrets (0.00s)
 === RUN   TestStoragePool
 libvirttest pipe closed
 --- PASS: TestStoragePool (0.00s)
@@ -621,7 +657,7 @@
 --- PASS: TestVersion (0.00s)
 === RUN   TestDefineXML
 libvirttest pipe closed
---- PASS: TestDefineXML (0.00s)
+--- PASS: TestDefineXML (0.01s)
 === RUN   TestDomainCreateWithFlags
 libvirttest pipe closed
 --- PASS: TestDomainCreateWithFlags (0.00s)
@@ -738,19 +774,19 @@
 event 48/5 received
 event 49/5 received
 checking for deadlock after context cancellation
---- PASS: TestRouteDeadlock (0.01s)
+--- PASS: TestRouteDeadlock (0.00s)
 === RUN   TestGetResponseInterrupted
 --- PASS: TestGetResponseInterrupted (0.00s)
 PASS
-ok  	github.com/digitalocean/go-libvirt	0.096s
+ok  	github.com/digitalocean/go-libvirt	0.072s
 === RUN   TestStreamSequential
 sending test events to queue
 reading events from queue
---- PASS: TestStreamSequential (2.22s)
+--- PASS: TestStreamSequential (1.11s)
 === RUN   TestStreamParallel
---- PASS: TestStreamParallel (0.09s)
+--- PASS: TestStreamParallel (0.04s)
 PASS
-ok  	github.com/digitalocean/go-libvirt/internal/event	2.360s
+ok  	github.com/digitalocean/go-libvirt/internal/event	1.192s
 === RUN   TestUnmarshal
 --- PASS: TestUnmarshal (0.00s)
 === RUN   TestDecoder
@@ -782,13 +818,13 @@
 === RUN   ExampleNewEncoder
 --- PASS: ExampleNewEncoder (0.00s)
 PASS
-ok  	github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2	0.040s
+ok  	github.com/digitalocean/go-libvirt/internal/go-xdr/xdr2	0.030s
 === RUN   TestPktLen
 --- PASS: TestPktLen (0.00s)
 === RUN   TestExtractHeader
 --- PASS: TestExtractHeader (0.00s)
 PASS
-ok  	github.com/digitalocean/go-libvirt/socket	0.049s
+ok  	github.com/digitalocean/go-libvirt/socket	0.064s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -815,12 +851,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/14090/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/14090/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/65508 and its subdirectories
-I: Current time: Tue Jan 21 07:26:18 -12 2025
-I: pbuilder-time-stamp: 1737487578
+I: removing directory /srv/workspace/pbuilder/14090 and its subdirectories
+I: Current time: Tue Feb 24 15:51:18 +14 2026
+I: pbuilder-time-stamp: 1771897878