Unexpected pipewire error in the journal

From https://jenkins.tails.boum.org/job/test_Tails_ISO_feature-11897-improve-random-seed-file/87/:

Unexpected error messages in the journal: [
  {
    "MESSAGE": "spa.alsa: 'front:0': playback open failed: Device or resource busy",
    "SYSLOG_IDENTIFIER": "pipewire",
    "CODE_FILE": "../spa/plugins/alsa/alsa-pcm.c",
    "CODE_FUNC": "spa_alsa_open",
    "CODE_LINE": "551",
    "PRIORITY": "3",
    "_AUDIT_LOGINUID": "112",
    "_AUDIT_SESSION": "2",
    "_BOOT_ID": "6d8a4202c394460b85c44f8383daae52",
    "_CAP_EFFECTIVE": "0",
    "_CMDLINE": "/usr/bin/pipewire",
    "_COMM": "pipewire",
    "_EXE": "/usr/bin/pipewire",
    "_GID": "200",
    "_HOSTNAME": "amnesia",
    "_MACHINE_ID": "203552d5819c41f3800e2c8ef2545404",
    "_PID": "5519",
    "_RUNTIME_SCOPE": "system",
    "_SELINUX_CONTEXT": "unconfined\n",
    "_SOURCE_REALTIME_TIMESTAMP": "1713401860847824",
    "_SYSTEMD_CGROUP": "/user.slice/user-112.slice/user@112.service/session.slice/pipewire.service",
    "_SYSTEMD_INVOCATION_ID": "64db71174ce046a8a6c54b53423d8cee",
    "_SYSTEMD_OWNER_UID": "112",
    "_SYSTEMD_SLICE": "user-112.slice",
    "_SYSTEMD_UNIT": "user@112.service",
    "_SYSTEMD_USER_SLICE": "session.slice",
    "_SYSTEMD_USER_UNIT": "pipewire.service",
    "_TRANSPORT": "journal",
    "_UID": "112",
    "__CURSOR": "s=065428e481424e9d8e9f4a32e6f57de4;i=bd5;b=6d8a4202c394460b85c44f8383daae52;m=4b31370;t=616547545f95b;x=6a3252aeb5dbc737",
    "__MONOTONIC_TIMESTAMP": "78844784",
    "__REALTIME_TIMESTAMP": "1713401860847963"
  }
].
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/checks.rb:237:in `/^there are no unexpected messages of priority "err" or higher in the journal$/'
features/sane_defaults.feature:25:in `Then there are no unexpected messages of priority "err" or higher in the journal'

The journal entries leading up to the error:

Apr 18 00:57:39 amnesia tpsd[5915]: INFO:service.py:386: [7564-Unlock] Executing command udevadm trigger
Apr 18 00:57:39 amnesia tpsd[5915]: INFO:device.py:632: [7564-Unlock] Executing command dmsetup ls -o devno
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop1' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop3' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop2' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop4' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia systemd[5501]: Reached target sound.target - Sound Card.
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop6' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop7' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia udisksd[3778]: Error determining whether device '/dev/loop5' seems to be encrypted: Failed to read device (g-bd-crypto-error-quark, 0)
Apr 18 00:57:39 amnesia tpsd[5915]: INFO:service.py:386: [7564-Unlock] Executing command dmsetup rename luks-9abc18a7-a935-41d3-b5b4-36a156d8933d TailsData_unlocked
Apr 18 00:57:39 amnesia systemd-logind[3771]: Watching system buttons on /dev/input/event1 (Power Button)
Apr 18 00:57:40 amnesia systemd-logind[3771]: Watching system buttons on /dev/input/event0 (AT Translated Set 2 keyboard)
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb1 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: ueventProcessRead: failed to read pending uevent (returning): rc=-1 errno=105
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb1/1-0:1.0 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb1/1-1 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb1/1-1/1-1:1.0 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb2 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb2/2-0:1.0 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb2/2-2 action=change
Apr 18 00:57:40 amnesia usbguard-daemon[4194]: Ignoring unknown UEvent action: sysfs_devpath=/devices/pci0000:00/0000:00:01.2/0000:04:00.0/usb2/2-2/2-2:1.0 action=change
Apr 18 00:57:40 amnesia tpsd[5915]: INFO:service.py:368: [7564-Unlock] Executing command findmnt --source=/dev/dm-0 --mountpoint=/live/persistence/TailsData_unlocked
Apr 18 00:57:40 amnesia tpsd[5915]: INFO:service.py:368: [7564-Unlock] Executing command e2fsck -f -p /dev/dm-0
Apr 18 00:57:40 amnesia pipewire[5519]: spa.alsa: 'front:0': playback open failed: Device or resource busy
Apr 18 00:57:40 amnesia pipewire[5519]: mod.adapter: 0x613e7d2236d0: can't get format: Device or resource busy
Apr 18 00:57:40 amnesia wireplumber[5520]: <WpNode:0x6364bcae36a0> Object activation aborted: PipeWire proxy destroyed
Apr 18 00:57:40 amnesia wireplumber[5520]: <WpSiAudioAdapter:0x6364bc9e1630> Object activation aborted: proxy destroyed
Apr 18 00:57:40 amnesia wireplumber[5520]: <WpSiAudioAdapter:0x6364bc9e1630> failed to activate item: Object activation aborted: proxy destroyed
Apr 18 00:57:40 amnesia gsd-media-keys[5656]: Unable to get default source
Apr 18 00:57:40 amnesia gsd-media-keys[5656]: Unable to get default sink
Apr 18 00:57:40 amnesia tpsd[8208]: TailsData: 63/197600 files (0.0% non-contiguous), 31897/790272 blocks

Failed test runs:

• https://jenkins.tails.boum.org/job/test_Tails_ISO_feature-11897-improve-random-seed-file/87 (journal)