Diff of the two buildlogs:

--
--- b1/build.log	2024-12-17 15:17:19.087440646 +0000
+++ b2/build.log	2024-12-17 15:19:52.220500008 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Jan 19 09:37:25 -12 2026
-I: pbuilder-time-stamp: 1768858645
+I: Current time: Wed Dec 18 05:17:21 +14 2024
+I: pbuilder-time-stamp: 1734448641
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -28,51 +28,83 @@
 dpkg-source: info: applying 0002-fix-time-type-with-__USE_TIME_BITS64.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3823072/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1474542/tmp/hooks/D01_modify_environment starting
+debug: Running on infom01-amd64.
+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 Dec 17 15:17 /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/1474542/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1474542/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
+  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]="x86_64-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=amd64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='29d1ed8142b449b08041a095d4667c9a'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  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='3823072'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=5fe080af1736453996361c1bb02691a5
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-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=1474542
   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.e5rF7QfJ/pbuilderrc_bGF2 --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.e5rF7QfJ/b1 --logfile b1/build.log gopacket_1.1.19-6.2.dsc'
-  SUDO_GID='109'
-  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.e5rF7QfJ/pbuilderrc_xupB --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.e5rF7QfJ/b2 --logfile b2/build.log gopacket_1.1.19-6.2.dsc'
+  SUDO_GID=109
+  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 infom02-amd64 6.11.5+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.11.5-1~bpo12+1 (2024-11-11) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3823072/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1474542/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -85,7 +117,7 @@
 Depends: debhelper-compat (= 13), dh-sequence-golang, golang-go, golang-golang-x-net-dev, golang-golang-x-sys-dev, libpcap0.8-dev, linux-libc-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 ... 19965 files and directories currently installed.)
+(Reading database ... 19959 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:
@@ -167,10 +199,10 @@
 Get: 47 http://deb.debian.org/debian trixie/main amd64 libdbus-1-dev amd64 1.15.92-1 [214 kB]
 Get: 48 http://deb.debian.org/debian trixie/main amd64 libpcap0.8t64 amd64 1.10.5-1 [169 kB]
 Get: 49 http://deb.debian.org/debian trixie/main amd64 libpcap0.8-dev amd64 1.10.5-1 [284 kB]
-Fetched 75.4 MB in 1s (70.9 MB/s)
+Fetched 75.4 MB in 2s (32.5 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sgml-base.
-(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 ... 19965 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%
(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 ... 19959 files and directories currently installed.)
 Preparing to unpack .../00-sgml-base_1.31_all.deb ...
 Unpacking sgml-base (1.31) ...
 Selecting previously unselected package sensible-utils.
@@ -379,7 +411,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/gopacket-1.1.19/ && 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  > ../gopacket_1.1.19-6.2_source.changes
+I: user script /srv/workspace/pbuilder/1474542/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1474542/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/gopacket-1.1.19/ && 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  > ../gopacket_1.1.19-6.2_source.changes
 dpkg-buildpackage: info: source package gopacket
 dpkg-buildpackage: info: source version 1.1.19-6.2
 dpkg-buildpackage: info: source distribution unstable
@@ -398,31 +434,31 @@
    dh_auto_configure -O--buildsystem=golang
    dh_auto_build -O--buildsystem=golang
 	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 12 github.com/google/gopacket github.com/google/gopacket/afpacket github.com/google/gopacket/bytediff github.com/google/gopacket/defrag/lcmdefrag github.com/google/gopacket/dumpcommand github.com/google/gopacket/ip4defrag github.com/google/gopacket/layers github.com/google/gopacket/macs github.com/google/gopacket/pcap github.com/google/gopacket/pcapgo github.com/google/gopacket/reassembly github.com/google/gopacket/routing github.com/google/gopacket/tcpassembly github.com/google/gopacket/tcpassembly/tcpreader
+internal/godebugs
 internal/goarch
-internal/byteorder
-internal/goos
 internal/coverage/rtcov
-internal/goexperiment
 internal/profilerecord
-internal/godebugs
-internal/race
-internal/runtime/atomic
 internal/runtime/syscall
+internal/runtime/atomic
+internal/goos
+internal/byteorder
 internal/unsafeheader
 internal/cpu
+internal/goexperiment
+internal/race
 sync/atomic
-runtime/internal/math
-internal/abi
 unicode/utf8
-internal/chacha8rand
 unicode
 cmp
 internal/itoa
+internal/abi
+runtime/internal/math
 runtime/internal/sys
 math/bits
 internal/asan
-internal/msan
+internal/chacha8rand
 internal/nettrace
+internal/msan
 encoding
 container/list
 log/internal
@@ -443,26 +479,26 @@
 runtime/cgo
 errors
 sort
-internal/godebug
-io
 internal/oserror
 path
-math/rand/v2
+internal/godebug
 vendor/golang.org/x/net/dns/dnsmessage
 strconv
+io
 bytes
+math/rand/v2
+reflect
 hash
 strings
-internal/concurrent
-reflect
 syscall
+internal/concurrent
 hash/crc32
 unique
 net/netip
 bufio
 internal/syscall/execenv
-internal/syscall/unix
 time
+internal/syscall/unix
 internal/fmtsort
 encoding/binary
 io/fs
@@ -472,24 +508,24 @@
 internal/filepathlite
 os
 fmt
-net
 encoding/hex
-flag
-log
-runtime/debug
 github.com/google/gopacket/bytediff
-compress/flate
+runtime/debug
+log
+flag
 golang.org/x/net/bpf
+compress/flate
 compress/gzip
+net
 github.com/google/gopacket/routing
 github.com/google/gopacket
 github.com/google/gopacket/afpacket
 github.com/google/gopacket/layers
 github.com/google/gopacket/defrag/lcmdefrag
-github.com/google/gopacket/tcpassembly
 github.com/google/gopacket/ip4defrag
-github.com/google/gopacket/pcap
 github.com/google/gopacket/reassembly
+github.com/google/gopacket/pcap
+github.com/google/gopacket/tcpassembly
 github.com/google/gopacket/pcapgo
 github.com/google/gopacket/dumpcommand
 github.com/google/gopacket/tcpassembly/tcpreader
@@ -508,7 +544,7 @@
 === RUN   ExampleSerializeBuffer
 --- PASS: ExampleSerializeBuffer (0.00s)
 PASS
-ok  	github.com/google/gopacket	0.005s
+ok  	github.com/google/gopacket	0.004s
 === RUN   TestParseOptions
     afpacket_test.go:32: got: afpacket.options{frameSize:4096, framesPerBlock:0, blockSize:2, numBlocks:128, addVLANHeader:false, blockTimeout:64000000, pollTimeout:-1000000, version:-1, socktype:3, iface:""}
         err: block size 2 must be divisible by page size 4096
@@ -522,13 +558,13 @@
         err: <nil>
 --- PASS: TestParseOptions (0.00s)
 PASS
-ok  	github.com/google/gopacket/afpacket	0.011s
+ok  	github.com/google/gopacket/afpacket	0.003s
 === RUN   TestLCS
 --- PASS: TestLCS (0.00s)
 === RUN   TestDiff
 --- PASS: TestDiff (0.00s)
 PASS
-ok  	github.com/google/gopacket/bytediff	0.018s
+ok  	github.com/google/gopacket/bytediff	0.002s
 ?   	github.com/google/gopacket/dumpcommand	[no test files]
 === RUN   TestOrderedLCMDefrag
 --- PASS: TestOrderedLCMDefrag (0.00s)
@@ -537,7 +573,7 @@
 === RUN   TestNonLCMDefrag
 --- PASS: TestNonLCMDefrag (0.00s)
 PASS
-ok  	github.com/google/gopacket/defrag/lcmdefrag	0.006s
+ok  	github.com/google/gopacket/defrag/lcmdefrag	0.004s
 === RUN   TestNotFrag
 --- PASS: TestNotFrag (0.00s)
 === RUN   TestDefragPingMultipleFrags
@@ -557,8 +593,7 @@
 === RUN   TestDefragIDField
 --- PASS: TestDefragIDField (0.00s)
 PASS
-ok  	github.com/google/gopacket/ip4defrag	0.007s
-?   	github.com/google/gopacket/routing	[no test files]
+ok  	github.com/google/gopacket/ip4defrag	0.005s
 === RUN   TestASFPresencePongDecodeFromBytes
 --- PASS: TestASFPresencePongDecodeFromBytes (0.00s)
 === RUN   TestASFPresencePongSupportsDCMI
@@ -2481,10 +2516,11 @@
 === RUN   TestIsomorphicPacketVXLAN
 --- PASS: TestIsomorphicPacketVXLAN (0.00s)
 PASS
-ok  	github.com/google/gopacket/layers	0.054s
+ok  	github.com/google/gopacket/layers	0.025s
 testing: warning: no tests to run
 PASS
-ok  	github.com/google/gopacket/macs	0.010s [no tests to run]
+ok  	github.com/google/gopacket/macs	0.005s [no tests to run]
+?   	github.com/google/gopacket/routing	[no test files]
 === RUN   TestPcapNonexistentFile
     pcap_test.go:26: Error returned for nonexistent file: /path/to/nonexistent/file: No such file or directory
 --- PASS: TestPcapNonexistentFile (0.00s)
@@ -10518,11 +10554,11 @@
         
         
         
-        Processing file /tmp/invalid.pcap3227538728
+        Processing file /tmp/invalid.pcap2488505596
         
         
         
---- PASS: TestPcapFileRead (0.02s)
+--- PASS: TestPcapFileRead (0.01s)
 === RUN   TestBPF
     pcap_test.go:141: Testing filter foobar
     pcap_test.go:141: Testing filter tcp[tcpflags] & (tcp-syn|tcp-ack) == (tcp-syn|tcp-ack)
@@ -10556,7 +10592,7 @@
 === RUN   ExampleBPF
 --- PASS: ExampleBPF (0.00s)
 PASS
-ok  	github.com/google/gopacket/pcap	0.034s
+ok  	github.com/google/gopacket/pcap	0.020s
 === RUN   TestNgFileReadBE
 --- PASS: TestNgFileReadBE (0.00s)
 === RUN   TestNgFileReadLE
@@ -10614,11 +10650,11 @@
 === RUN   TestCaptureInfoErrors
 --- PASS: TestCaptureInfoErrors (0.00s)
 PASS
-ok  	github.com/google/gopacket/pcapgo	0.017s
+ok  	github.com/google/gopacket/pcapgo	0.009s
 === RUN   TestReorder
 --- PASS: TestReorder (0.00s)
 === RUN   TestMaxPerSkip
---- PASS: TestMaxPerSkip (0.01s)
+--- PASS: TestMaxPerSkip (0.00s)
 === RUN   TestReorderFast
 --- PASS: TestReorderFast (0.00s)
 === RUN   TestOverlap
@@ -10662,7 +10698,7 @@
 === RUN   TestFSMmissingSYNACK
 --- PASS: TestFSMmissingSYNACK (0.00s)
 === RUN   TestMemoryShrink
---- PASS: TestMemoryShrink (0.01s)
+--- PASS: TestMemoryShrink (0.00s)
 === RUN   TestFullyOrderedAndCompleteStreamDoesNotAlloc
 --- PASS: TestFullyOrderedAndCompleteStreamDoesNotAlloc (0.00s)
 === RUN   TestReassemblyObjectCaptureInfo
@@ -10676,7 +10712,7 @@
 === RUN   TestCheckOptions
 --- PASS: TestCheckOptions (0.00s)
 PASS
-ok  	github.com/google/gopacket/reassembly	0.058s
+ok  	github.com/google/gopacket/reassembly	0.027s
 === RUN   TestSequenceOverflow
 --- PASS: TestSequenceOverflow (0.00s)
 === RUN   TestReorder
@@ -10696,7 +10732,7 @@
 === RUN   TestCacheLargePacket
 --- PASS: TestCacheLargePacket (0.00s)
 PASS
-ok  	github.com/google/gopacket/tcpassembly	0.021s
+ok  	github.com/google/gopacket/tcpassembly	0.013s
 === RUN   TestRead
 Waiting for read 0
 Assembling 0
@@ -10724,7 +10760,7 @@
 === RUN   ExampleDiscardBytesToEOF
 --- PASS: ExampleDiscardBytesToEOF (0.00s)
 PASS
-ok  	github.com/google/gopacket/tcpassembly/tcpreader	0.010s
+ok  	github.com/google/gopacket/tcpassembly/tcpreader	0.007s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang
    dh_prep -O--buildsystem=golang
@@ -10752,12 +10788,14 @@
 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/1474542/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1474542/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/3823072 and its subdirectories
-I: Current time: Mon Jan 19 09:40:18 -12 2026
-I: pbuilder-time-stamp: 1768858818
+I: removing directory /srv/workspace/pbuilder/1474542 and its subdirectories
+I: Current time: Wed Dec 18 05:19:51 +14 2024
+I: pbuilder-time-stamp: 1734448791