Docker-Swarm & NFS4-Volume gives [Errno 9] Bad file descriptor

Hi, i assumed it was something more complicated… I worked around it by useing local storage on the swarm-host and pinning the container via a label to that host. Whitch destroys all benefits of the swarm setup…

version: '3.7'

services:
  basesite:
    image: registry.[domain]:5000/checkmk/check-mk-enterprise:2.0.0p15
    networks:
      - traefik-public
      - internal
    environment: 
      CMK_SITE_ID: "cmk"
      CMK_LIVESTATUS_TCP: "on"
      CMK_PASSWORD: "initialpassword"
      MAIL_RELAY_HOST: "[Mailhost]"
    volumes:
      - basesite_sites:/omd/sites
    deploy:
      placement:
        constraints:
          - node.labels.checkmk_basesite == true
      labels:
        - traefik.enable=true
        - traefik.docker.network=traefik-public
        - traefik.constraint-label=traefik-public
        - traefik.http.routers.checkmk_basesite.rule=Host(`checkmk.[domain]`)
        - traefik.http.routers.checkmk_basesite.entrypoints=websecure
        - traefik.http.routers.checkmk_basesite.tls=true
        - traefik.http.routers.checkmk_basesite.tls.options=default
        - traefik.http.routers.checkmk_basesite.service=checkmk_basesite
        - traefik.http.services.checkmk_basesite.loadbalancer.server.port=5000