Trouble getting AirVPN port forwarding working with gluetun.

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This is my docker compose file below. I had it working earlier just fine, but as of a recent system restart everything seems to be working properly except for port forwarding.
services:
  gluetun:
    image: qmcgaw/gluetun:latest
    container_name: gluetun
    devices:
      - /dev/net/tun:/dev/net/tun
    restart: unless-stopped
    cap_add:
      - NET_ADMIN
    ports:
      - 8888:8888/tcp # HTTP proxy
      - 8388:8388/tcp # Shadowsocks
      - 8388:8388/udp # Shadowsocks
      - 8080:8080     # qbit
      - 50231:50231   #firewall port
      - 80:80
    volumes:
      - /docker/gluetun:/gluetun
    environment:
      - VPN_SERVICE_PROVIDER=airvpn
      - VPN_TYPE=wireguard
      - WIREGUARD_PRIVATE_KEY=redacted
      - WIREGUARD_ADDRESSES=redacted
      - WIREGUARD_PRESHARED_KEY=redacted
      - FIREWALL_VPN_INPUT_PORTS=50231
      - SERVER_NAMES=Meridiana
      # Timezone for accurate log times
      - TZ=America/Chicago
      - UPDATER_PERIOD=24h

  qbittorrent:
    image: lscr.io/linuxserver/qbittorrent:latest
    container_name: qbittorrent
    network_mode: "service:gluetun"
    depends_on:
      - gluetun
    environment:
      - TZ=America/Chicago
      - WEBUI_PORT=8080
      - TORRENTING_PORT=50231
      - PGID=1000
      - PUID=1000
    volumes:
      - /docker/gluetun/qbittorrent/config:/config
      - /box/plex/downloads:/downloads
      - /box/plex/downloads:/box/plex/downloads
    restart: unless-stopped