Error: [Errno 97] Address family not supported by protocol

Running behind a traefik reverse proxy using this docker-compose:

  pyload:
    image: ghcr.io/linuxserver/pyload
    container_name: pyload
    restart: unless-stopped
    networks:
      - t2_proxy
    volumes:
      - $DOCKERDIR/pyload:/config
      - $FILESDIR/_inbox/downloads:/downloads
    ports:
      - $PYLOAD_PORT:8000
      - 7227:7227 #optional
    environment:
      - PUID=${PUID}
      - PGID=${PGID}
      - TZ=${TZ}
    labels:
      - "traefik.enable=true"
      ## HTTP Routers
      - "traefik.http.routers.pyload-rtr.entrypoints=https"
      - "traefik.http.routers.pyload-rtr.rule=HostHeader(`pyload.$DOMAINNAME`)"
      - "traefik.http.routers.pyload-rtr.tls=true" # Had to add these to get the domain to resolve
      - "traefik.http.routers.pyload-rtr.tls.certresolver=dns-cloudflare" # Had to add these to get the domain to resolve
      ## Middlewares
      - "traefik.http.routers.pyload-rtr.middlewares=chain-basic-auth@file"
      ## HTTP Services
      - "traefik.http.routers.pyload-rtr.service=pyload-svc"
      - "traefik.http.services.pyload-svc.loadbalancer.server.port=8000"

Fails to start, with the following log:

[s6-init] making user provided files available at /var/run/s6/etc...exited 0.
[s6-init] ensuring user provided files have correct perms...exited 0.
[fix-attrs.d] applying ownership & permissions fixes...
[fix-attrs.d] done.
[cont-init.d] executing container initialization scripts...
[cont-init.d] 01-envfile: executing...
[cont-init.d] 01-envfile: exited 0.
[cont-init.d] 10-adduser: executing...

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         | | / __| | |  /  \
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-------------------------------------
GID/UID
-------------------------------------

User uid:    1000
User gid:    999
-------------------------------------

[cont-init.d] 10-adduser: exited 0.
[cont-init.d] 30-config: executing...
[cont-init.d] Setting permissions this may take some time
[cont-init.d] 30-config: exited 0.
[cont-init.d] 99-custom-files: executing...
[custom-init] no custom files found exiting...
[cont-init.d] 99-custom-files: exited 0.
[cont-init.d] done.
[services.d] starting services
[services.d] done.
03.01.2021 23:08:43 INFO      Starting pyLoad 0.4.20
03.01.2021 23:08:43 INFO      Using home directory: /config
03.01.2021 23:08:44 INFO      Activated plugins: ClickNLoad, EventMapper, ExternalScripts, TORRENT, UnSkipOnFail, UpdateManager, UserAgentSwitcher
03.01.2021 23:08:44 INFO      Deactivate plugins: AntiStandby, AntiVirus, AppriseNotify, BypassCaptcha, Captcha9Kw, Checksum, CloudFlareDdos, DeathByCaptcha, DeleteFinished, DiscordNotifier, DownloadScheduler, ExpertDecoders, ExtractArchive, HotFolder, IRC, ImageTyperz, JustPremium, LinkFilter, LinkdecrypterComHook, LogMarker, MergeFiles, MultiHome, PushBullet, PushOver, RestartFailed, SkipRev, TransmissionRPC, WindowsPhoneNotify, XFileSharing, XMPP
03.01.2021 23:08:44 INFO      Downloadtime: True
03.01.2021 23:08:44 INFO      Starting ThriftBackend: 0.0.0.0:7227
03.01.2021 23:08:44 INFO      Starting builtin webserver: :::8000
03.01.2021 23:08:44 INFO      Free space: 997.16 GiB
Exception in thread Thread-6:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
  File "/app/pyload/module/web/ServerThread.py", line 78, in run
    self.start_builtin()
  File "/app/pyload/module/web/ServerThread.py", line 85, in start_builtin
    webinterface.run_simple(host=self.host, port=self.port)
  File "/app/pyload/module/web/webinterface.py", line 139, in run_simple
    run(app=web, host=host, port=port, quiet=True)
  File "/app/pyload/module/lib/bottle.py", line 3137, in run
    server.run(app)
  File "/app/pyload/module/lib/bottle.py", line 2789, in run
    srv = make_server(self.host, self.port, app, server_cls, handler_cls)
  File "/usr/lib/python2.7/wsgiref/simple_server.py", line 151, in make_server
    server = server_class((host, port), handler_class)
  File "/usr/lib/python2.7/SocketServer.py", line 417, in __init__
    self.socket_type)
  File "/usr/lib/python2.7/socket.py", line 191, in __init__
    _sock = _realsocket(family, type, proto)
error: [Errno 97] Address family not supported by protocol

03.01.2021 23:08:44 INFO      Activating Accounts...
03.01.2021 23:08:44 INFO      Activating Plugins...
03.01.2021 23:08:44 WARNING   ADDON TORRENT: torrents / magnets are not associated with any plugin
03.01.2021 23:08:44 INFO      pyLoad is up and running
03.01.2021 23:08:44 INFO      ADDON UpdateManager: pyLoad is up to date!
03.01.2021 23:08:44 INFO      ADDON UpdateManager: Removed blacklisted plugin: ACCOUNTS GetTwentyFourOrg
03.01.2021 23:08:44 INFO      ADDON UpdateManager: Removed blacklisted plugin: HOSTER GetTwentyFourOrg
03.01.2021 23:08:44 INFO      ADDON UpdateManager: All plugins are up to date!
03.01.2021 23:08:50 INFO      ADDON ClickNLoad: Proxy listening on 0.0.0.0:9666

My searching seems to point to this being an ipv6 issue, but I don’t see a way to disable it for the container. Any ideas?