pulseaudio crashed with SIGABRT in pa_strlist_remove()

https://errors.ubuntu.com/problem/de93de12105e3945db919094e319354997e24b57
https://errors.ubuntu.com/problem/bd0d691273ff0913dce8beca92c5f51fc5e1b6ae
https://errors.ubuntu.com/problem/bafa8f9c59b67bdf475a3ad1f6c6c7a4a250969c

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Ran `pactl unload-module module-native-protocol-unix` (which I probably shouldn't have done - I think it would remove all the listening sockets that we normally use).

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: pulseaudio 1:13.99.1-1ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-23.27-generic 5.4.29
Uname: Linux 5.4.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: odeda 299003 F.... pulseaudio
 /dev/snd/pcmC2D0c: odeda 299003 F...m pulseaudio
 /dev/snd/controlC1: odeda 299003 F.... pulseaudio
 /dev/snd/controlC0: odeda 299003 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Mon Apr 13 11:48:40 2020
ExecutablePath: /usr/bin/pulseaudio
InstallationDate: Installed on 2017-08-17 (970 days ago)
InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170725)
ProcCmdline: /usr/bin/pulseaudio --daemonize=no
ProcEnviron:
 LANG=en_IL
 LANGUAGE=en_IL:en
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
Signal: 6
SourcePackage: pulseaudio
StacktraceTop:
 pa_strlist_remove () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
 pa_native_protocol_remove_server_string () at /usr/lib/pulse-13.99.1/modules/libprotocol-native.so
 module_native_protocol_unix_LTX_pa__done () at /usr/lib/pulse-13.99.1/modules/module-native-protocol-unix.so
 () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-13.99.so
 () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecore-13.99.so
Title: pulseaudio crashed with SIGABRT in pa_strlist_remove()
UpgradeStatus: Upgraded to focal on 2020-02-09 (64 days ago)
UserGroups: adm cdrom dip disk docker kvm libvirt lpadmin lxd nopasswdlogin plugdev sambashare sudo vboxusers wireshark
dmi.bios.date: 11/17/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.18.0
dmi.board.name: 0R6JFH
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.18.0:bd11/17/2019:svnDellInc.:pnPrecision5520:pvr:rvnDellInc.:rn0R6JFH:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Precision
dmi.product.name: Precision 5520
dmi.product.sku: 07BF
dmi.sys.vendor: Dell Inc.
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